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CoolPi-Armbian-Rockchip-RK3.../sound/soc/tegra/tegra210_admaif.c

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// SPDX-License-Identifier: GPL-2.0-only
//
// tegra210_admaif.c - Tegra ADMAIF driver
//
// Copyright (c) 2020 NVIDIA CORPORATION. All rights reserved.
#include <linux/clk.h>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include "tegra210_admaif.h"
#include "tegra_cif.h"
#include "tegra_pcm.h"
#define CH_REG(offset, reg, id) \
((offset) + (reg) + (TEGRA_ADMAIF_CHANNEL_REG_STRIDE * (id)))
#define CH_TX_REG(reg, id) CH_REG(admaif->soc_data->tx_base, reg, id)
#define CH_RX_REG(reg, id) CH_REG(admaif->soc_data->rx_base, reg, id)
#define REG_DEFAULTS(id, rx_ctrl, tx_ctrl, tx_base, rx_base) \
{ CH_REG(rx_base, TEGRA_ADMAIF_RX_INT_MASK, id), 0x00000001 }, \
{ CH_REG(rx_base, TEGRA_ADMAIF_CH_ACIF_RX_CTRL, id), 0x00007700 }, \
{ CH_REG(rx_base, TEGRA_ADMAIF_RX_FIFO_CTRL, id), rx_ctrl }, \
{ CH_REG(tx_base, TEGRA_ADMAIF_TX_INT_MASK, id), 0x00000001 }, \
{ CH_REG(tx_base, TEGRA_ADMAIF_CH_ACIF_TX_CTRL, id), 0x00007700 }, \
{ CH_REG(tx_base, TEGRA_ADMAIF_TX_FIFO_CTRL, id), tx_ctrl }
#define ADMAIF_REG_DEFAULTS(id, chip) \
REG_DEFAULTS((id) - 1, \
chip ## _ADMAIF_RX ## id ## _FIFO_CTRL_REG_DEFAULT, \
chip ## _ADMAIF_TX ## id ## _FIFO_CTRL_REG_DEFAULT, \
chip ## _ADMAIF_TX_BASE, \
chip ## _ADMAIF_RX_BASE)
static const struct reg_default tegra186_admaif_reg_defaults[] = {
{(TEGRA_ADMAIF_GLOBAL_CG_0 + TEGRA186_ADMAIF_GLOBAL_BASE), 0x00000003},
ADMAIF_REG_DEFAULTS(1, TEGRA186),
ADMAIF_REG_DEFAULTS(2, TEGRA186),
ADMAIF_REG_DEFAULTS(3, TEGRA186),
ADMAIF_REG_DEFAULTS(4, TEGRA186),
ADMAIF_REG_DEFAULTS(5, TEGRA186),
ADMAIF_REG_DEFAULTS(6, TEGRA186),
ADMAIF_REG_DEFAULTS(7, TEGRA186),
ADMAIF_REG_DEFAULTS(8, TEGRA186),
ADMAIF_REG_DEFAULTS(9, TEGRA186),
ADMAIF_REG_DEFAULTS(10, TEGRA186),
ADMAIF_REG_DEFAULTS(11, TEGRA186),
ADMAIF_REG_DEFAULTS(12, TEGRA186),
ADMAIF_REG_DEFAULTS(13, TEGRA186),
ADMAIF_REG_DEFAULTS(14, TEGRA186),
ADMAIF_REG_DEFAULTS(15, TEGRA186),
ADMAIF_REG_DEFAULTS(16, TEGRA186),
ADMAIF_REG_DEFAULTS(17, TEGRA186),
ADMAIF_REG_DEFAULTS(18, TEGRA186),
ADMAIF_REG_DEFAULTS(19, TEGRA186),
ADMAIF_REG_DEFAULTS(20, TEGRA186)
};
static const struct reg_default tegra210_admaif_reg_defaults[] = {
{(TEGRA_ADMAIF_GLOBAL_CG_0 + TEGRA210_ADMAIF_GLOBAL_BASE), 0x00000003},
ADMAIF_REG_DEFAULTS(1, TEGRA210),
ADMAIF_REG_DEFAULTS(2, TEGRA210),
ADMAIF_REG_DEFAULTS(3, TEGRA210),
ADMAIF_REG_DEFAULTS(4, TEGRA210),
ADMAIF_REG_DEFAULTS(5, TEGRA210),
ADMAIF_REG_DEFAULTS(6, TEGRA210),
ADMAIF_REG_DEFAULTS(7, TEGRA210),
ADMAIF_REG_DEFAULTS(8, TEGRA210),
ADMAIF_REG_DEFAULTS(9, TEGRA210),
ADMAIF_REG_DEFAULTS(10, TEGRA210)
};
static bool tegra_admaif_wr_reg(struct device *dev, unsigned int reg)
{
struct tegra_admaif *admaif = dev_get_drvdata(dev);
unsigned int ch_stride = TEGRA_ADMAIF_CHANNEL_REG_STRIDE;
unsigned int num_ch = admaif->soc_data->num_ch;
unsigned int rx_base = admaif->soc_data->rx_base;
unsigned int tx_base = admaif->soc_data->tx_base;
unsigned int global_base = admaif->soc_data->global_base;
unsigned int reg_max = admaif->soc_data->regmap_conf->max_register;
unsigned int rx_max = rx_base + (num_ch * ch_stride);
unsigned int tx_max = tx_base + (num_ch * ch_stride);
if ((reg >= rx_base) && (reg < rx_max)) {
reg = (reg - rx_base) % ch_stride;
if ((reg == TEGRA_ADMAIF_RX_ENABLE) ||
(reg == TEGRA_ADMAIF_RX_FIFO_CTRL) ||
(reg == TEGRA_ADMAIF_RX_SOFT_RESET) ||
(reg == TEGRA_ADMAIF_CH_ACIF_RX_CTRL))
return true;
} else if ((reg >= tx_base) && (reg < tx_max)) {
reg = (reg - tx_base) % ch_stride;
if ((reg == TEGRA_ADMAIF_TX_ENABLE) ||
(reg == TEGRA_ADMAIF_TX_FIFO_CTRL) ||
(reg == TEGRA_ADMAIF_TX_SOFT_RESET) ||
(reg == TEGRA_ADMAIF_CH_ACIF_TX_CTRL))
return true;
} else if ((reg >= global_base) && (reg < reg_max)) {
if (reg == (global_base + TEGRA_ADMAIF_GLOBAL_ENABLE))
return true;
}
return false;
}
static bool tegra_admaif_rd_reg(struct device *dev, unsigned int reg)
{
struct tegra_admaif *admaif = dev_get_drvdata(dev);
unsigned int ch_stride = TEGRA_ADMAIF_CHANNEL_REG_STRIDE;
unsigned int num_ch = admaif->soc_data->num_ch;
unsigned int rx_base = admaif->soc_data->rx_base;
unsigned int tx_base = admaif->soc_data->tx_base;
unsigned int global_base = admaif->soc_data->global_base;
unsigned int reg_max = admaif->soc_data->regmap_conf->max_register;
unsigned int rx_max = rx_base + (num_ch * ch_stride);
unsigned int tx_max = tx_base + (num_ch * ch_stride);
if ((reg >= rx_base) && (reg < rx_max)) {
reg = (reg - rx_base) % ch_stride;
if ((reg == TEGRA_ADMAIF_RX_ENABLE) ||
(reg == TEGRA_ADMAIF_RX_STATUS) ||
(reg == TEGRA_ADMAIF_RX_INT_STATUS) ||
(reg == TEGRA_ADMAIF_RX_FIFO_CTRL) ||
(reg == TEGRA_ADMAIF_RX_SOFT_RESET) ||
(reg == TEGRA_ADMAIF_CH_ACIF_RX_CTRL))
return true;
} else if ((reg >= tx_base) && (reg < tx_max)) {
reg = (reg - tx_base) % ch_stride;
if ((reg == TEGRA_ADMAIF_TX_ENABLE) ||
(reg == TEGRA_ADMAIF_TX_STATUS) ||
(reg == TEGRA_ADMAIF_TX_INT_STATUS) ||
(reg == TEGRA_ADMAIF_TX_FIFO_CTRL) ||
(reg == TEGRA_ADMAIF_TX_SOFT_RESET) ||
(reg == TEGRA_ADMAIF_CH_ACIF_TX_CTRL))
return true;
} else if ((reg >= global_base) && (reg < reg_max)) {
if ((reg == (global_base + TEGRA_ADMAIF_GLOBAL_ENABLE)) ||
(reg == (global_base + TEGRA_ADMAIF_GLOBAL_CG_0)) ||
(reg == (global_base + TEGRA_ADMAIF_GLOBAL_STATUS)) ||
(reg == (global_base +
TEGRA_ADMAIF_GLOBAL_RX_ENABLE_STATUS)) ||
(reg == (global_base +
TEGRA_ADMAIF_GLOBAL_TX_ENABLE_STATUS)))
return true;
}
return false;
}
static bool tegra_admaif_volatile_reg(struct device *dev, unsigned int reg)
{
struct tegra_admaif *admaif = dev_get_drvdata(dev);
unsigned int ch_stride = TEGRA_ADMAIF_CHANNEL_REG_STRIDE;
unsigned int num_ch = admaif->soc_data->num_ch;
unsigned int rx_base = admaif->soc_data->rx_base;
unsigned int tx_base = admaif->soc_data->tx_base;
unsigned int global_base = admaif->soc_data->global_base;
unsigned int reg_max = admaif->soc_data->regmap_conf->max_register;
unsigned int rx_max = rx_base + (num_ch * ch_stride);
unsigned int tx_max = tx_base + (num_ch * ch_stride);
if ((reg >= rx_base) && (reg < rx_max)) {
reg = (reg - rx_base) % ch_stride;
if ((reg == TEGRA_ADMAIF_RX_ENABLE) ||
(reg == TEGRA_ADMAIF_RX_STATUS) ||
(reg == TEGRA_ADMAIF_RX_INT_STATUS) ||
(reg == TEGRA_ADMAIF_RX_SOFT_RESET))
return true;
} else if ((reg >= tx_base) && (reg < tx_max)) {
reg = (reg - tx_base) % ch_stride;
if ((reg == TEGRA_ADMAIF_TX_ENABLE) ||
(reg == TEGRA_ADMAIF_TX_STATUS) ||
(reg == TEGRA_ADMAIF_TX_INT_STATUS) ||
(reg == TEGRA_ADMAIF_TX_SOFT_RESET))
return true;
} else if ((reg >= global_base) && (reg < reg_max)) {
if ((reg == (global_base + TEGRA_ADMAIF_GLOBAL_STATUS)) ||
(reg == (global_base +
TEGRA_ADMAIF_GLOBAL_RX_ENABLE_STATUS)) ||
(reg == (global_base +
TEGRA_ADMAIF_GLOBAL_TX_ENABLE_STATUS)))
return true;
}
return false;
}
static const struct regmap_config tegra210_admaif_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = TEGRA210_ADMAIF_LAST_REG,
.writeable_reg = tegra_admaif_wr_reg,
.readable_reg = tegra_admaif_rd_reg,
.volatile_reg = tegra_admaif_volatile_reg,
.reg_defaults = tegra210_admaif_reg_defaults,
.num_reg_defaults = TEGRA210_ADMAIF_CHANNEL_COUNT * 6 + 1,
.cache_type = REGCACHE_FLAT,
};
static const struct regmap_config tegra186_admaif_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = TEGRA186_ADMAIF_LAST_REG,
.writeable_reg = tegra_admaif_wr_reg,
.readable_reg = tegra_admaif_rd_reg,
.volatile_reg = tegra_admaif_volatile_reg,
.reg_defaults = tegra186_admaif_reg_defaults,
.num_reg_defaults = TEGRA186_ADMAIF_CHANNEL_COUNT * 6 + 1,
.cache_type = REGCACHE_FLAT,
};
static int __maybe_unused tegra_admaif_runtime_suspend(struct device *dev)
{
struct tegra_admaif *admaif = dev_get_drvdata(dev);
regcache_cache_only(admaif->regmap, true);
regcache_mark_dirty(admaif->regmap);
return 0;
}
static int __maybe_unused tegra_admaif_runtime_resume(struct device *dev)
{
struct tegra_admaif *admaif = dev_get_drvdata(dev);
regcache_cache_only(admaif->regmap, false);
regcache_sync(admaif->regmap);
return 0;
}
static int tegra_admaif_set_pack_mode(struct regmap *map, unsigned int reg,
int valid_bit)
{
switch (valid_bit) {
case DATA_8BIT:
regmap_update_bits(map, reg, PACK8_EN_MASK, PACK8_EN);
regmap_update_bits(map, reg, PACK16_EN_MASK, 0);
break;
case DATA_16BIT:
regmap_update_bits(map, reg, PACK16_EN_MASK, PACK16_EN);
regmap_update_bits(map, reg, PACK8_EN_MASK, 0);
break;
case DATA_32BIT:
regmap_update_bits(map, reg, PACK16_EN_MASK, 0);
regmap_update_bits(map, reg, PACK8_EN_MASK, 0);
break;
default:
return -EINVAL;
}
return 0;
}
static int tegra_admaif_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct device *dev = dai->dev;
struct tegra_admaif *admaif = snd_soc_dai_get_drvdata(dai);
struct tegra_cif_conf cif_conf;
unsigned int reg, path;
int valid_bit, channels;
memset(&cif_conf, 0, sizeof(struct tegra_cif_conf));
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S8:
cif_conf.audio_bits = TEGRA_ACIF_BITS_8;
cif_conf.client_bits = TEGRA_ACIF_BITS_8;
valid_bit = DATA_8BIT;
break;
case SNDRV_PCM_FORMAT_S16_LE:
cif_conf.audio_bits = TEGRA_ACIF_BITS_16;
cif_conf.client_bits = TEGRA_ACIF_BITS_16;
valid_bit = DATA_16BIT;
break;
case SNDRV_PCM_FORMAT_S32_LE:
cif_conf.audio_bits = TEGRA_ACIF_BITS_32;
cif_conf.client_bits = TEGRA_ACIF_BITS_32;
valid_bit = DATA_32BIT;
break;
default:
dev_err(dev, "unsupported format!\n");
return -EOPNOTSUPP;
}
channels = params_channels(params);
cif_conf.client_ch = channels;
cif_conf.audio_ch = channels;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
path = ADMAIF_TX_PATH;
reg = CH_TX_REG(TEGRA_ADMAIF_CH_ACIF_TX_CTRL, dai->id);
} else {
path = ADMAIF_RX_PATH;
reg = CH_RX_REG(TEGRA_ADMAIF_CH_ACIF_RX_CTRL, dai->id);
}
cif_conf.mono_conv = admaif->mono_to_stereo[path][dai->id];
cif_conf.stereo_conv = admaif->stereo_to_mono[path][dai->id];
tegra_admaif_set_pack_mode(admaif->regmap, reg, valid_bit);
tegra_set_cif(admaif->regmap, reg, &cif_conf);
return 0;
}
static int tegra_admaif_start(struct snd_soc_dai *dai, int direction)
{
struct tegra_admaif *admaif = snd_soc_dai_get_drvdata(dai);
unsigned int reg, mask, val;
switch (direction) {
case SNDRV_PCM_STREAM_PLAYBACK:
mask = TX_ENABLE_MASK;
val = TX_ENABLE;
reg = CH_TX_REG(TEGRA_ADMAIF_TX_ENABLE, dai->id);
break;
case SNDRV_PCM_STREAM_CAPTURE:
mask = RX_ENABLE_MASK;
val = RX_ENABLE;
reg = CH_RX_REG(TEGRA_ADMAIF_RX_ENABLE, dai->id);
break;
default:
return -EINVAL;
}
regmap_update_bits(admaif->regmap, reg, mask, val);
return 0;
}
static int tegra_admaif_stop(struct snd_soc_dai *dai, int direction)
{
struct tegra_admaif *admaif = snd_soc_dai_get_drvdata(dai);
unsigned int enable_reg, status_reg, reset_reg, mask, val;
char *dir_name;
int err, enable;
switch (direction) {
case SNDRV_PCM_STREAM_PLAYBACK:
mask = TX_ENABLE_MASK;
enable = TX_ENABLE;
dir_name = "TX";
enable_reg = CH_TX_REG(TEGRA_ADMAIF_TX_ENABLE, dai->id);
status_reg = CH_TX_REG(TEGRA_ADMAIF_TX_STATUS, dai->id);
reset_reg = CH_TX_REG(TEGRA_ADMAIF_TX_SOFT_RESET, dai->id);
break;
case SNDRV_PCM_STREAM_CAPTURE:
mask = RX_ENABLE_MASK;
enable = RX_ENABLE;
dir_name = "RX";
enable_reg = CH_RX_REG(TEGRA_ADMAIF_RX_ENABLE, dai->id);
status_reg = CH_RX_REG(TEGRA_ADMAIF_RX_STATUS, dai->id);
reset_reg = CH_RX_REG(TEGRA_ADMAIF_RX_SOFT_RESET, dai->id);
break;
default:
return -EINVAL;
}
/* Disable TX/RX channel */
regmap_update_bits(admaif->regmap, enable_reg, mask, ~enable);
/* Wait until ADMAIF TX/RX status is disabled */
err = regmap_read_poll_timeout_atomic(admaif->regmap, status_reg, val,
!(val & enable), 10, 10000);
if (err < 0)
dev_warn(dai->dev, "timeout: failed to disable ADMAIF%d_%s\n",
dai->id + 1, dir_name);
/* SW reset */
regmap_update_bits(admaif->regmap, reset_reg, SW_RESET_MASK, SW_RESET);
/* Wait till SW reset is complete */
err = regmap_read_poll_timeout_atomic(admaif->regmap, reset_reg, val,
!(val & SW_RESET_MASK & SW_RESET),
10, 10000);
if (err) {
dev_err(dai->dev, "timeout: SW reset failed for ADMAIF%d_%s\n",
dai->id + 1, dir_name);
return err;
}
return 0;
}
static int tegra_admaif_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
int err;
err = snd_dmaengine_pcm_trigger(substream, cmd);
if (err)
return err;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
return tegra_admaif_start(dai, substream->stream);
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
return tegra_admaif_stop(dai, substream->stream);
default:
return -EINVAL;
}
}
static const struct snd_soc_dai_ops tegra_admaif_dai_ops = {
.hw_params = tegra_admaif_hw_params,
.trigger = tegra_admaif_trigger,
};
static int tegra210_admaif_pget_mono_to_stereo(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
ucontrol->value.enumerated.item[0] =
admaif->mono_to_stereo[ADMAIF_TX_PATH][ec->reg];
return 0;
}
static int tegra210_admaif_pput_mono_to_stereo(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
unsigned int value = ucontrol->value.enumerated.item[0];
if (value == admaif->mono_to_stereo[ADMAIF_TX_PATH][ec->reg])
return 0;
admaif->mono_to_stereo[ADMAIF_TX_PATH][ec->reg] = value;
return 1;
}
static int tegra210_admaif_cget_mono_to_stereo(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
ucontrol->value.enumerated.item[0] =
admaif->mono_to_stereo[ADMAIF_RX_PATH][ec->reg];
return 0;
}
static int tegra210_admaif_cput_mono_to_stereo(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
unsigned int value = ucontrol->value.enumerated.item[0];
if (value == admaif->mono_to_stereo[ADMAIF_RX_PATH][ec->reg])
return 0;
admaif->mono_to_stereo[ADMAIF_RX_PATH][ec->reg] = value;
return 1;
}
static int tegra210_admaif_pget_stereo_to_mono(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
ucontrol->value.enumerated.item[0] =
admaif->stereo_to_mono[ADMAIF_TX_PATH][ec->reg];
return 0;
}
static int tegra210_admaif_pput_stereo_to_mono(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
unsigned int value = ucontrol->value.enumerated.item[0];
if (value == admaif->stereo_to_mono[ADMAIF_TX_PATH][ec->reg])
return 0;
admaif->stereo_to_mono[ADMAIF_TX_PATH][ec->reg] = value;
return 1;
}
static int tegra210_admaif_cget_stereo_to_mono(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
ucontrol->value.enumerated.item[0] =
admaif->stereo_to_mono[ADMAIF_RX_PATH][ec->reg];
return 0;
}
static int tegra210_admaif_cput_stereo_to_mono(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
unsigned int value = ucontrol->value.enumerated.item[0];
if (value == admaif->stereo_to_mono[ADMAIF_RX_PATH][ec->reg])
return 0;
admaif->stereo_to_mono[ADMAIF_RX_PATH][ec->reg] = value;
return 1;
}
static int tegra_admaif_dai_probe(struct snd_soc_dai *dai)
{
struct tegra_admaif *admaif = snd_soc_dai_get_drvdata(dai);
dai->capture_dma_data = &admaif->capture_dma_data[dai->id];
dai->playback_dma_data = &admaif->playback_dma_data[dai->id];
return 0;
}
#define DAI(dai_name) \
{ \
.name = dai_name, \
.probe = tegra_admaif_dai_probe, \
.playback = { \
.stream_name = dai_name " Playback", \
.channels_min = 1, \
.channels_max = 16, \
.rates = SNDRV_PCM_RATE_8000_192000, \
.formats = SNDRV_PCM_FMTBIT_S8 | \
SNDRV_PCM_FMTBIT_S16_LE | \
SNDRV_PCM_FMTBIT_S32_LE, \
}, \
.capture = { \
.stream_name = dai_name " Capture", \
.channels_min = 1, \
.channels_max = 16, \
.rates = SNDRV_PCM_RATE_8000_192000, \
.formats = SNDRV_PCM_FMTBIT_S8 | \
SNDRV_PCM_FMTBIT_S16_LE | \
SNDRV_PCM_FMTBIT_S32_LE, \
}, \
.ops = &tegra_admaif_dai_ops, \
}
static struct snd_soc_dai_driver tegra210_admaif_cmpnt_dais[] = {
DAI("ADMAIF1"),
DAI("ADMAIF2"),
DAI("ADMAIF3"),
DAI("ADMAIF4"),
DAI("ADMAIF5"),
DAI("ADMAIF6"),
DAI("ADMAIF7"),
DAI("ADMAIF8"),
DAI("ADMAIF9"),
DAI("ADMAIF10"),
};
static struct snd_soc_dai_driver tegra186_admaif_cmpnt_dais[] = {
DAI("ADMAIF1"),
DAI("ADMAIF2"),
DAI("ADMAIF3"),
DAI("ADMAIF4"),
DAI("ADMAIF5"),
DAI("ADMAIF6"),
DAI("ADMAIF7"),
DAI("ADMAIF8"),
DAI("ADMAIF9"),
DAI("ADMAIF10"),
DAI("ADMAIF11"),
DAI("ADMAIF12"),
DAI("ADMAIF13"),
DAI("ADMAIF14"),
DAI("ADMAIF15"),
DAI("ADMAIF16"),
DAI("ADMAIF17"),
DAI("ADMAIF18"),
DAI("ADMAIF19"),
DAI("ADMAIF20"),
};
static const char * const tegra_admaif_stereo_conv_text[] = {
"CH0", "CH1", "AVG",
};
static const char * const tegra_admaif_mono_conv_text[] = {
"Zero", "Copy",
};
/*
* Below macro is added to avoid looping over all ADMAIFx controls related
* to mono/stereo conversions in get()/put() callbacks.
*/
#define NV_SOC_ENUM_EXT(xname, xreg, xhandler_get, xhandler_put, xenum_text) \
{ \
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
.info = snd_soc_info_enum_double, \
.name = xname, \
.get = xhandler_get, \
.put = xhandler_put, \
.private_value = (unsigned long)&(struct soc_enum) \
SOC_ENUM_SINGLE(xreg, 0, ARRAY_SIZE(xenum_text), xenum_text) \
}
#define TEGRA_ADMAIF_CIF_CTRL(reg) \
NV_SOC_ENUM_EXT("ADMAIF" #reg " Playback Mono To Stereo", reg - 1, \
tegra210_admaif_pget_mono_to_stereo, \
tegra210_admaif_pput_mono_to_stereo, \
tegra_admaif_mono_conv_text), \
NV_SOC_ENUM_EXT("ADMAIF" #reg " Playback Stereo To Mono", reg - 1, \
tegra210_admaif_pget_stereo_to_mono, \
tegra210_admaif_pput_stereo_to_mono, \
tegra_admaif_stereo_conv_text), \
NV_SOC_ENUM_EXT("ADMAIF" #reg " Capture Mono To Stereo", reg - 1, \
tegra210_admaif_cget_mono_to_stereo, \
tegra210_admaif_cput_mono_to_stereo, \
tegra_admaif_mono_conv_text), \
NV_SOC_ENUM_EXT("ADMAIF" #reg " Capture Stereo To Mono", reg - 1, \
tegra210_admaif_cget_stereo_to_mono, \
tegra210_admaif_cput_stereo_to_mono, \
tegra_admaif_stereo_conv_text)
static struct snd_kcontrol_new tegra210_admaif_controls[] = {
TEGRA_ADMAIF_CIF_CTRL(1),
TEGRA_ADMAIF_CIF_CTRL(2),
TEGRA_ADMAIF_CIF_CTRL(3),
TEGRA_ADMAIF_CIF_CTRL(4),
TEGRA_ADMAIF_CIF_CTRL(5),
TEGRA_ADMAIF_CIF_CTRL(6),
TEGRA_ADMAIF_CIF_CTRL(7),
TEGRA_ADMAIF_CIF_CTRL(8),
TEGRA_ADMAIF_CIF_CTRL(9),
TEGRA_ADMAIF_CIF_CTRL(10),
};
static struct snd_kcontrol_new tegra186_admaif_controls[] = {
TEGRA_ADMAIF_CIF_CTRL(1),
TEGRA_ADMAIF_CIF_CTRL(2),
TEGRA_ADMAIF_CIF_CTRL(3),
TEGRA_ADMAIF_CIF_CTRL(4),
TEGRA_ADMAIF_CIF_CTRL(5),
TEGRA_ADMAIF_CIF_CTRL(6),
TEGRA_ADMAIF_CIF_CTRL(7),
TEGRA_ADMAIF_CIF_CTRL(8),
TEGRA_ADMAIF_CIF_CTRL(9),
TEGRA_ADMAIF_CIF_CTRL(10),
TEGRA_ADMAIF_CIF_CTRL(11),
TEGRA_ADMAIF_CIF_CTRL(12),
TEGRA_ADMAIF_CIF_CTRL(13),
TEGRA_ADMAIF_CIF_CTRL(14),
TEGRA_ADMAIF_CIF_CTRL(15),
TEGRA_ADMAIF_CIF_CTRL(16),
TEGRA_ADMAIF_CIF_CTRL(17),
TEGRA_ADMAIF_CIF_CTRL(18),
TEGRA_ADMAIF_CIF_CTRL(19),
TEGRA_ADMAIF_CIF_CTRL(20),
};
static const struct snd_soc_component_driver tegra210_admaif_cmpnt = {
.controls = tegra210_admaif_controls,
.num_controls = ARRAY_SIZE(tegra210_admaif_controls),
.pcm_construct = tegra_pcm_construct,
.open = tegra_pcm_open,
.close = tegra_pcm_close,
.hw_params = tegra_pcm_hw_params,
.pointer = tegra_pcm_pointer,
};
static const struct snd_soc_component_driver tegra186_admaif_cmpnt = {
.controls = tegra186_admaif_controls,
.num_controls = ARRAY_SIZE(tegra186_admaif_controls),
.pcm_construct = tegra_pcm_construct,
.open = tegra_pcm_open,
.close = tegra_pcm_close,
.hw_params = tegra_pcm_hw_params,
.pointer = tegra_pcm_pointer,
};
static const struct tegra_admaif_soc_data soc_data_tegra210 = {
.num_ch = TEGRA210_ADMAIF_CHANNEL_COUNT,
.cmpnt = &tegra210_admaif_cmpnt,
.dais = tegra210_admaif_cmpnt_dais,
.regmap_conf = &tegra210_admaif_regmap_config,
.global_base = TEGRA210_ADMAIF_GLOBAL_BASE,
.tx_base = TEGRA210_ADMAIF_TX_BASE,
.rx_base = TEGRA210_ADMAIF_RX_BASE,
};
static const struct tegra_admaif_soc_data soc_data_tegra186 = {
.num_ch = TEGRA186_ADMAIF_CHANNEL_COUNT,
.cmpnt = &tegra186_admaif_cmpnt,
.dais = tegra186_admaif_cmpnt_dais,
.regmap_conf = &tegra186_admaif_regmap_config,
.global_base = TEGRA186_ADMAIF_GLOBAL_BASE,
.tx_base = TEGRA186_ADMAIF_TX_BASE,
.rx_base = TEGRA186_ADMAIF_RX_BASE,
};
static const struct of_device_id tegra_admaif_of_match[] = {
{ .compatible = "nvidia,tegra210-admaif", .data = &soc_data_tegra210 },
{ .compatible = "nvidia,tegra186-admaif", .data = &soc_data_tegra186 },
{},
};
MODULE_DEVICE_TABLE(of, tegra_admaif_of_match);
static int tegra_admaif_probe(struct platform_device *pdev)
{
struct tegra_admaif *admaif;
void __iomem *regs;
struct resource *res;
int err, i;
admaif = devm_kzalloc(&pdev->dev, sizeof(*admaif), GFP_KERNEL);
if (!admaif)
return -ENOMEM;
admaif->soc_data = of_device_get_match_data(&pdev->dev);
dev_set_drvdata(&pdev->dev, admaif);
admaif->capture_dma_data =
devm_kcalloc(&pdev->dev,
admaif->soc_data->num_ch,
sizeof(struct snd_dmaengine_dai_dma_data),
GFP_KERNEL);
if (!admaif->capture_dma_data)
return -ENOMEM;
admaif->playback_dma_data =
devm_kcalloc(&pdev->dev,
admaif->soc_data->num_ch,
sizeof(struct snd_dmaengine_dai_dma_data),
GFP_KERNEL);
if (!admaif->playback_dma_data)
return -ENOMEM;
for (i = 0; i < ADMAIF_PATHS; i++) {
admaif->mono_to_stereo[i] =
devm_kcalloc(&pdev->dev, admaif->soc_data->num_ch,
sizeof(unsigned int), GFP_KERNEL);
if (!admaif->mono_to_stereo[i])
return -ENOMEM;
admaif->stereo_to_mono[i] =
devm_kcalloc(&pdev->dev, admaif->soc_data->num_ch,
sizeof(unsigned int), GFP_KERNEL);
if (!admaif->stereo_to_mono[i])
return -ENOMEM;
}
regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
if (IS_ERR(regs))
return PTR_ERR(regs);
admaif->regmap = devm_regmap_init_mmio(&pdev->dev, regs,
admaif->soc_data->regmap_conf);
if (IS_ERR(admaif->regmap)) {
dev_err(&pdev->dev, "regmap init failed\n");
return PTR_ERR(admaif->regmap);
}
regcache_cache_only(admaif->regmap, true);
regmap_update_bits(admaif->regmap, admaif->soc_data->global_base +
TEGRA_ADMAIF_GLOBAL_ENABLE, 1, 1);
for (i = 0; i < admaif->soc_data->num_ch; i++) {
admaif->playback_dma_data[i].addr = res->start +
CH_TX_REG(TEGRA_ADMAIF_TX_FIFO_WRITE, i);
admaif->capture_dma_data[i].addr = res->start +
CH_RX_REG(TEGRA_ADMAIF_RX_FIFO_READ, i);
admaif->playback_dma_data[i].addr_width = 32;
if (of_property_read_string_index(pdev->dev.of_node,
"dma-names", (i * 2) + 1,
&admaif->playback_dma_data[i].chan_name) < 0) {
dev_err(&pdev->dev,
"missing property nvidia,dma-names\n");
return -ENODEV;
}
admaif->capture_dma_data[i].addr_width = 32;
if (of_property_read_string_index(pdev->dev.of_node,
"dma-names",
(i * 2),
&admaif->capture_dma_data[i].chan_name) < 0) {
dev_err(&pdev->dev,
"missing property nvidia,dma-names\n");
return -ENODEV;
}
}
err = devm_snd_soc_register_component(&pdev->dev,
admaif->soc_data->cmpnt,
admaif->soc_data->dais,
admaif->soc_data->num_ch);
if (err) {
dev_err(&pdev->dev,
"can't register ADMAIF component, err: %d\n", err);
return err;
}
pm_runtime_enable(&pdev->dev);
return 0;
}
static int tegra_admaif_remove(struct platform_device *pdev)
{
pm_runtime_disable(&pdev->dev);
return 0;
}
static const struct dev_pm_ops tegra_admaif_pm_ops = {
SET_RUNTIME_PM_OPS(tegra_admaif_runtime_suspend,
tegra_admaif_runtime_resume, NULL)
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
pm_runtime_force_resume)
};
static struct platform_driver tegra_admaif_driver = {
.probe = tegra_admaif_probe,
.remove = tegra_admaif_remove,
.driver = {
.name = "tegra210-admaif",
.of_match_table = tegra_admaif_of_match,
.pm = &tegra_admaif_pm_ops,
},
};
module_platform_driver(tegra_admaif_driver);
MODULE_AUTHOR("Songhee Baek <sbaek@nvidia.com>");
MODULE_DESCRIPTION("Tegra210 ASoC ADMAIF driver");
MODULE_LICENSE("GPL v2");
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