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ASoC: tas2781: Add tas2781 driver

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Create tas2781 driver.

Signed-off-by: Shenghao Ding <13916275206@139.com>
Link: https://lore.kernel.org/r/20230618122819.23143-3-13916275206@139.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Shenghao Ding 2023-06-18 20:28:18 +08:00 committed by Mark Brown
parent 915f5eadeb
commit ef3bcde75d
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
4 changed files with 1328 additions and 0 deletions
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25
sound/soc/codecs/Kconfig
View file

@ -237,6 +237,9 @@ config SND_SOC_ALL_CODECS
imply SND_SOC_TAS2764
imply SND_SOC_TAS2770
imply SND_SOC_TAS2780
imply SND_SOC_TAS2781_COMLIB
imply SND_SOC_TAS2781_FMWLIB
imply SND_SOC_TAS2781_I2C
imply SND_SOC_TAS5086
imply SND_SOC_TAS571X
imply SND_SOC_TAS5720
@ -1730,6 +1733,28 @@ config SND_SOC_TAS2780
Enable support for Texas Instruments TAS2780 high-efficiency
digital input mono Class-D audio power amplifiers.
config SND_SOC_TAS2781_COMLIB
depends on I2C
select CRC8
select REGMAP_I2C
tristate
config SND_SOC_TAS2781_FMWLIB
tristate
default n
config SND_SOC_TAS2781_I2C
tristate "Texas Instruments TAS2781 speaker amplifier based on I2C"
depends on I2C
select SND_SOC_TAS2781_COMLIB
select SND_SOC_TAS2781_FMWLIB
help
Enable support for Texas Instruments TAS2781 Smart Amplifier
Digital input mono Class-D and DSP-inside audio power amplifiers.
Note the TAS2781 driver implements a flexible and configurable
algo coefficient setting, for one, two or even multiple TAS2781
chips.
config SND_SOC_TAS5086
tristate "Texas Instruments TAS5086 speaker amplifier"
depends on I2C

6
sound/soc/codecs/Makefile
View file

@ -273,6 +273,9 @@ snd-soc-tas5805m-objs := tas5805m.o
snd-soc-tas6424-objs := tas6424.o
snd-soc-tda7419-objs := tda7419.o
snd-soc-tas2770-objs := tas2770.o
snd-soc-tas2781-comlib-objs := tas2781-comlib.o
snd-soc-tas2781-fmwlib-objs := tas2781-fmwlib.o
snd-soc-tas2781-i2c-objs := tas2781-i2c.o
snd-soc-tfa9879-objs := tfa9879.o
snd-soc-tfa989x-objs := tfa989x.o
snd-soc-tlv320adc3xxx-objs := tlv320adc3xxx.o
@ -641,6 +644,9 @@ obj-$(CONFIG_SND_SOC_TAS2552) += snd-soc-tas2552.o
obj-$(CONFIG_SND_SOC_TAS2562) += snd-soc-tas2562.o
obj-$(CONFIG_SND_SOC_TAS2764) += snd-soc-tas2764.o
obj-$(CONFIG_SND_SOC_TAS2780) += snd-soc-tas2780.o
obj-$(CONFIG_SND_SOC_TAS2781_COMLIB) += snd-soc-tas2781-comlib.o
obj-$(CONFIG_SND_SOC_TAS2781_FMWLIB) += snd-soc-tas2781-fmwlib.o
obj-$(CONFIG_SND_SOC_TAS2781_I2C) += snd-soc-tas2781-i2c.o
obj-$(CONFIG_SND_SOC_TAS5086) += snd-soc-tas5086.o
obj-$(CONFIG_SND_SOC_TAS571X) += snd-soc-tas571x.o
obj-$(CONFIG_SND_SOC_TAS5720) += snd-soc-tas5720.o

534
sound/soc/codecs/tas2781-comlib.c Normal file
View file

@ -0,0 +1,534 @@
// SPDX-License-Identifier: GPL-2.0
//
// tas2781-lib.c -- TAS2781 Common functions for HDA and ASoC Audio drivers
//
// Copyright 2023 Texas Instruments, Inc.
//
// Author: Shenghao Ding <shenghao-ding@ti.com>
#include <linux/crc8.h>
#include <linux/firmware.h>
#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_gpio.h>
#include <linux/of_irq.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/tas2781.h>
#define TASDEVICE_CRC8_POLYNOMIAL 0x4d
static const struct regmap_range_cfg tasdevice_ranges[] = {
{
.range_min = 0,
.range_max = 256 * 128,
.selector_reg = TASDEVICE_PAGE_SELECT,
.selector_mask = 0xff,
.selector_shift = 0,
.window_start = 0,
.window_len = 128,
},
};
static const struct regmap_config tasdevice_regmap = {
.reg_bits = 8,
.val_bits = 8,
.cache_type = REGCACHE_RBTREE,
.ranges = tasdevice_ranges,
.num_ranges = ARRAY_SIZE(tasdevice_ranges),
.max_register = 256 * 128,
};
static int tasdevice_change_chn_book(struct tasdevice_priv *tas_priv,
unsigned short chn, int book)
{
struct i2c_client *client = (struct i2c_client *)tas_priv->client;
int ret = 0;
if (chn < tas_priv->ndev) {
struct tasdevice *tasdev = &tas_priv->tasdevice[chn];
struct regmap *map = tas_priv->regmap;
if (client->addr != tasdev->dev_addr) {
client->addr = tasdev->dev_addr;
if (tasdev->cur_book == book) {
ret = regmap_write(map,
TASDEVICE_PAGE_SELECT, 0);
if (ret < 0) {
dev_err(tas_priv->dev, "%s, E=%d\n",
__func__, ret);
goto out;
}
}
goto out;
}
if (tasdev->cur_book != book) {
ret = regmap_write(map, TASDEVICE_BOOKCTL_REG, book);
if (ret < 0) {
dev_err(tas_priv->dev, "%s, E=%d\n",
__func__, ret);
goto out;
}
tasdev->cur_book = book;
}
} else {
ret = -EINVAL;
dev_err(tas_priv->dev, "%s, no such channel(%d)\n", __func__,
chn);
}
out:
return ret;
}
int tasdevice_dev_read(struct tasdevice_priv *tas_priv,
unsigned short chn, unsigned int reg, unsigned int *val)
{
int ret = 0;
if (chn < tas_priv->ndev) {
struct regmap *map = tas_priv->regmap;
ret = tasdevice_change_chn_book(tas_priv, chn,
TASDEVICE_BOOK_ID(reg));
if (ret < 0)
goto out;
ret = regmap_read(map, TASDEVICE_PGRG(reg), val);
if (ret < 0)
dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
} else {
ret = -EINVAL;
dev_err(tas_priv->dev, "%s, no such channel(%d)\n", __func__,
chn);
}
out:
return ret;
}
EXPORT_SYMBOL_GPL(tasdevice_dev_read);
int tasdevice_dev_write(struct tasdevice_priv *tas_priv,
unsigned short chn, unsigned int reg, unsigned int value)
{
int ret = 0;
if (chn < tas_priv->ndev) {
struct regmap *map = tas_priv->regmap;
ret = tasdevice_change_chn_book(tas_priv, chn,
TASDEVICE_BOOK_ID(reg));
if (ret < 0)
goto out;
ret = regmap_write(map, TASDEVICE_PGRG(reg),
value);
if (ret < 0)
dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
} else {
ret = -EINVAL;
dev_err(tas_priv->dev, "%s, no such channel(%d)\n", __func__,
chn);
}
out:
return ret;
}
EXPORT_SYMBOL_GPL(tasdevice_dev_write);
int tasdevice_dev_bulk_write(
struct tasdevice_priv *tas_priv, unsigned short chn,
unsigned int reg, unsigned char *data,
unsigned int len)
{
int ret = 0;
if (chn < tas_priv->ndev) {
struct regmap *map = tas_priv->regmap;
ret = tasdevice_change_chn_book(tas_priv, chn,
TASDEVICE_BOOK_ID(reg));
if (ret < 0)
goto out;
ret = regmap_bulk_write(map, TASDEVICE_PGRG(reg),
data, len);
if (ret < 0)
dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
} else {
ret = -EINVAL;
dev_err(tas_priv->dev, "%s, no such channel(%d)\n", __func__,
chn);
}
out:
return ret;
}
EXPORT_SYMBOL_GPL(tasdevice_dev_bulk_write);
int tasdevice_dev_bulk_read(struct tasdevice_priv *tas_priv,
unsigned short chn, unsigned int reg, unsigned char *data,
unsigned int len)
{
int ret = 0;
if (chn < tas_priv->ndev) {
struct regmap *map = tas_priv->regmap;
ret = tasdevice_change_chn_book(tas_priv, chn,
TASDEVICE_BOOK_ID(reg));
if (ret < 0)
goto out;
ret = regmap_bulk_read(map, TASDEVICE_PGRG(reg), data, len);
if (ret < 0)
dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
} else
dev_err(tas_priv->dev, "%s, no such channel(%d)\n", __func__,
chn);
out:
return ret;
}
EXPORT_SYMBOL_GPL(tasdevice_dev_bulk_read);
int tasdevice_dev_update_bits(
struct tasdevice_priv *tas_priv, unsigned short chn,
unsigned int reg, unsigned int mask, unsigned int value)
{
int ret = 0;
if (chn < tas_priv->ndev) {
struct regmap *map = tas_priv->regmap;
ret = tasdevice_change_chn_book(tas_priv, chn,
TASDEVICE_BOOK_ID(reg));
if (ret < 0)
goto out;
ret = regmap_update_bits(map, TASDEVICE_PGRG(reg),
mask, value);
if (ret < 0)
dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
} else {
dev_err(tas_priv->dev, "%s, no such channel(%d)\n", __func__,
chn);
ret = -EINVAL;
}
out:
return ret;
}
EXPORT_SYMBOL_GPL(tasdevice_dev_update_bits);
struct tasdevice_priv *tasdevice_kzalloc(struct i2c_client *i2c)
{
struct tasdevice_priv *tas_priv;
tas_priv = devm_kzalloc(&i2c->dev, sizeof(*tas_priv), GFP_KERNEL);
if (!tas_priv)
return NULL;
tas_priv->dev = &i2c->dev;
tas_priv->client = (void *)i2c;
return tas_priv;
}
EXPORT_SYMBOL_GPL(tasdevice_kzalloc);
void tas2781_reset(struct tasdevice_priv *tas_dev)
{
int ret, i;
if (tas_dev->reset) {
gpiod_set_value_cansleep(tas_dev->reset, 0);
usleep_range(500, 1000);
gpiod_set_value_cansleep(tas_dev->reset, 1);
} else {
for (i = 0; i < tas_dev->ndev; i++) {
ret = tasdevice_dev_write(tas_dev, i,
TAS2781_REG_SWRESET,
TAS2781_REG_SWRESET_RESET);
if (ret < 0)
dev_err(tas_dev->dev,
"dev %d swreset fail, %d\n",
i, ret);
}
}
usleep_range(1000, 1050);
}
EXPORT_SYMBOL_GPL(tas2781_reset);
int tascodec_init(struct tasdevice_priv *tas_priv, void *codec,
void (*cont)(const struct firmware *fw, void *context))
{
int ret = 0;
/* Codec Lock Hold to ensure that codec_probe and firmware parsing and
* loading do not simultaneously execute.
*/
mutex_lock(&tas_priv->codec_lock);
scnprintf(tas_priv->rca_binaryname, 64, "%sRCA%d.bin",
tas_priv->dev_name, tas_priv->ndev);
crc8_populate_msb(tas_priv->crc8_lkp_tbl, TASDEVICE_CRC8_POLYNOMIAL);
tas_priv->codec = codec;
ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_UEVENT,
tas_priv->rca_binaryname, tas_priv->dev, GFP_KERNEL, tas_priv,
cont);
if (ret)
dev_err(tas_priv->dev, "request_firmware_nowait err:0x%08x\n",
ret);
/* Codec Lock Release*/
mutex_unlock(&tas_priv->codec_lock);
return ret;
}
EXPORT_SYMBOL_GPL(tascodec_init);
int tasdevice_init(struct tasdevice_priv *tas_priv)
{
int ret = 0;
int i;
tas_priv->regmap = devm_regmap_init_i2c(tas_priv->client,
&tasdevice_regmap);
if (IS_ERR(tas_priv->regmap)) {
ret = PTR_ERR(tas_priv->regmap);
dev_err(tas_priv->dev, "Failed to allocate register map: %d\n",
ret);
goto out;
}
tas_priv->cur_prog = -1;
tas_priv->cur_conf = -1;
for (i = 0; i < tas_priv->ndev; i++) {
tas_priv->tasdevice[i].cur_book = -1;
tas_priv->tasdevice[i].cur_prog = -1;
tas_priv->tasdevice[i].cur_conf = -1;
}
dev_set_drvdata(tas_priv->dev, tas_priv);
mutex_init(&tas_priv->codec_lock);
out:
return ret;
}
EXPORT_SYMBOL_GPL(tasdevice_init);
static void tasdev_dsp_prog_blk_remove(struct tasdevice_prog *prog)
{
struct tasdevice_data *tas_dt;
struct tasdev_blk *blk;
unsigned int i;
if (!prog)
return;
tas_dt = &(prog->dev_data);
if (!tas_dt->dev_blks)
return;
for (i = 0; i < tas_dt->nr_blk; i++) {
blk = &(tas_dt->dev_blks[i]);
kfree(blk->data);
}
kfree(tas_dt->dev_blks);
}
static void tasdev_dsp_prog_remove(struct tasdevice_prog *prog,
unsigned short nr)
{
int i;
for (i = 0; i < nr; i++)
tasdev_dsp_prog_blk_remove(&prog[i]);
kfree(prog);
}
static void tasdev_dsp_cfg_blk_remove(struct tasdevice_config *cfg)
{
struct tasdevice_data *tas_dt;
struct tasdev_blk *blk;
unsigned int i;
if (cfg) {
tas_dt = &(cfg->dev_data);
if (!tas_dt->dev_blks)
return;
for (i = 0; i < tas_dt->nr_blk; i++) {
blk = &(tas_dt->dev_blks[i]);
kfree(blk->data);
}
kfree(tas_dt->dev_blks);
}
}
static void tasdev_dsp_cfg_remove(struct tasdevice_config *config,
unsigned short nr)
{
int i;
for (i = 0; i < nr; i++)
tasdev_dsp_cfg_blk_remove(&config[i]);
kfree(config);
}
void tasdevice_dsp_remove(void *context)
{
struct tasdevice_priv *tas_dev = (struct tasdevice_priv *) context;
struct tasdevice_fw *tas_fmw = tas_dev->fmw;
if (!tas_dev->fmw)
return;
if (tas_fmw->programs)
tasdev_dsp_prog_remove(tas_fmw->programs,
tas_fmw->nr_programs);
if (tas_fmw->configs)
tasdev_dsp_cfg_remove(tas_fmw->configs,
tas_fmw->nr_configurations);
kfree(tas_fmw);
tas_dev->fmw = NULL;
}
EXPORT_SYMBOL_GPL(tasdevice_dsp_remove);
void tasdevice_remove(struct tasdevice_priv *tas_priv)
{
if (gpio_is_valid(tas_priv->irq_info.irq_gpio))
gpio_free(tas_priv->irq_info.irq_gpio);
kfree(tas_priv->acpi_subsystem_id);
mutex_destroy(&tas_priv->codec_lock);
}
EXPORT_SYMBOL_GPL(tasdevice_remove);
static int tasdevice_clamp(int val, int max, unsigned int invert)
{
if (val > max)
val = max;
if (invert)
val = max - val;
if (val < 0)
val = 0;
return val;
}
int tasdevice_amp_putvol(struct tasdevice_priv *tas_priv,
struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc)
{
unsigned int invert = mc->invert;
unsigned char mask;
int max = mc->max;
int err_cnt = 0;
int val, i, ret;
mask = (1 << fls(max)) - 1;
mask <<= mc->shift;
val = tasdevice_clamp(ucontrol->value.integer.value[0], max, invert);
for (i = 0; i < tas_priv->ndev; i++) {
ret = tasdevice_dev_update_bits(tas_priv, i,
mc->reg, mask, (unsigned int)(val << mc->shift));
if (!ret)
continue;
err_cnt++;
dev_err(tas_priv->dev, "set AMP vol error in dev %d\n", i);
}
/* All the devices set error, return 0 */
return (err_cnt == tas_priv->ndev) ? 0 : 1;
}
EXPORT_SYMBOL_GPL(tasdevice_amp_putvol);
int tasdevice_amp_getvol(struct tasdevice_priv *tas_priv,
struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc)
{
unsigned int invert = mc->invert;
unsigned char mask = 0;
int max = mc->max;
int ret = 0;
int val;
/* Read the primary device */
ret = tasdevice_dev_read(tas_priv, 0, mc->reg, &val);
if (ret) {
dev_err(tas_priv->dev, "%s, get AMP vol error\n", __func__);
goto out;
}
mask = (1 << fls(max)) - 1;
mask <<= mc->shift;
val = (val & mask) >> mc->shift;
val = tasdevice_clamp(val, max, invert);
ucontrol->value.integer.value[0] = val;
out:
return ret;
}
EXPORT_SYMBOL_GPL(tasdevice_amp_getvol);
int tasdevice_digital_putvol(struct tasdevice_priv *tas_priv,
struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc)
{
unsigned int invert = mc->invert;
int max = mc->max;
int err_cnt = 0;
int ret;
int val, i;
val = tasdevice_clamp(ucontrol->value.integer.value[0], max, invert);
for (i = 0; i < tas_priv->ndev; i++) {
ret = tasdevice_dev_write(tas_priv, i, mc->reg,
(unsigned int)val);
if (!ret)
continue;
err_cnt++;
dev_err(tas_priv->dev,
"set digital vol err in dev %d\n", i);
}
/* All the devices set error, return 0 */
return (err_cnt == tas_priv->ndev) ? 0 : 1;
}
EXPORT_SYMBOL_GPL(tasdevice_digital_putvol);
int tasdevice_digital_getvol(struct tasdevice_priv *tas_priv,
struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc)
{
unsigned int invert = mc->invert;
int max = mc->max;
int ret, val;
/* Read the primary device as the whole */
ret = tasdevice_dev_read(tas_priv, 0, mc->reg, &val);
if (ret) {
dev_err(tas_priv->dev, "%s, get digital vol error\n",
__func__);
goto out;
}
val = tasdevice_clamp(val, max, invert);
ucontrol->value.integer.value[0] = val;
out:
return ret;
}
EXPORT_SYMBOL_GPL(tasdevice_digital_getvol);
MODULE_DESCRIPTION("TAS2781 common library");
MODULE_AUTHOR("Shenghao Ding, TI, <shenghao-ding@ti.com>");
MODULE_LICENSE("GPL");

763
sound/soc/codecs/tas2781-i2c.c Normal file
View file

@ -0,0 +1,763 @@
// SPDX-License-Identifier: GPL-2.0
//
// ALSA SoC Texas Instruments TAS2781 Audio Smart Amplifier
//
// Copyright (C) 2022 - 2023 Texas Instruments Incorporated
// https://www.ti.com
//
// The TAS2781 driver implements a flexible and configurable
// algo coefficient setting for one, two, or even multiple
// TAS2781 chips.
//
// Author: Shenghao Ding <shenghao-ding@ti.com>
// Author: Kevin Lu <kevin-lu@ti.com>
//
#include <linux/crc8.h>
#include <linux/firmware.h>
#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_gpio.h>
#include <linux/of_irq.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/tas2781.h>
#include <sound/tlv.h>
#include <sound/tas2781-tlv.h>
static const struct i2c_device_id tasdevice_id[] = {
{ "tas2781", TAS2781 },
{}
};
MODULE_DEVICE_TABLE(i2c, tasdevice_id);
#ifdef CONFIG_OF
static const struct of_device_id tasdevice_of_match[] = {
{ .compatible = "ti,tas2781" },
{},
};
MODULE_DEVICE_TABLE(of, tasdevice_of_match);
#endif
/**
* tas2781_digital_getvol - get the volum control
* @kcontrol: control pointer
* @ucontrol: User data
* Customer Kcontrol for tas2781 is primarily for regmap booking, paging
* depends on internal regmap mechanism.
* tas2781 contains book and page two-level register map, especially
* book switching will set the register BXXP00R7F, after switching to the
* correct book, then leverage the mechanism for paging to access the
* register.
*/
static int tas2781_digital_getvol(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
return tasdevice_digital_getvol(tas_priv, ucontrol, mc);
}
static int tas2781_digital_putvol(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
return tasdevice_digital_putvol(tas_priv, ucontrol, mc);
}
static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
return tasdevice_amp_getvol(tas_priv, ucontrol, mc);
}
static int tas2781_amp_putvol(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct tasdevice_priv *tas_priv =
snd_soc_component_get_drvdata(codec);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
return tasdevice_amp_putvol(tas_priv, ucontrol, mc);
}
static int tas2781_force_fwload_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_soc_kcontrol_component(kcontrol);
struct tasdevice_priv *tas_priv =
snd_soc_component_get_drvdata(component);
ucontrol->value.integer.value[0] = (int)tas_priv->force_fwload_status;
dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__,
tas_priv->force_fwload_status ? "ON" : "OFF");
return 0;
}
static int tas2781_force_fwload_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_soc_kcontrol_component(kcontrol);
struct tasdevice_priv *tas_priv =
snd_soc_component_get_drvdata(component);
bool change, val = (bool)ucontrol->value.integer.value[0];
if (tas_priv->force_fwload_status == val)
change = false;
else {
change = true;
tas_priv->force_fwload_status = val;
}
dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__,
tas_priv->force_fwload_status ? "ON" : "OFF");
return change;
}
static const struct snd_kcontrol_new tas2781_snd_controls[] = {
SOC_SINGLE_RANGE_EXT_TLV("Speaker Analog Gain", TAS2781_AMP_LEVEL,
1, 0, 20, 0, tas2781_amp_getvol,
tas2781_amp_putvol, amp_vol_tlv),
SOC_SINGLE_RANGE_EXT_TLV("Speaker Digital Gain", TAS2781_DVC_LVL,
0, 0, 200, 1, tas2781_digital_getvol,
tas2781_digital_putvol, dvc_tlv),
SOC_SINGLE_BOOL_EXT("Speaker Force Firmware Load", 0,
tas2781_force_fwload_get, tas2781_force_fwload_put),
};
static int tasdevice_set_profile_id(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
int ret = 0;
if (tas_priv->rcabin.profile_cfg_id !=
ucontrol->value.integer.value[0]) {
tas_priv->rcabin.profile_cfg_id =
ucontrol->value.integer.value[0];
ret = 1;
}
return ret;
}
static int tasdevice_info_programs(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
struct tasdevice_fw *tas_fw = tas_priv->fmw;
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = (int)tas_fw->nr_programs;
return 0;
}
static int tasdevice_info_configurations(
struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
struct snd_soc_component *codec =
snd_soc_kcontrol_component(kcontrol);
struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
struct tasdevice_fw *tas_fw = tas_priv->fmw;
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = (int)tas_fw->nr_configurations - 1;
return 0;
}
static int tasdevice_info_profile(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = tas_priv->rcabin.ncfgs - 1;
return 0;
}
static int tasdevice_get_profile_id(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
ucontrol->value.integer.value[0] = tas_priv->rcabin.profile_cfg_id;
return 0;
}
static int tasdevice_create_control(struct tasdevice_priv *tas_priv)
{
struct snd_kcontrol_new *prof_ctrls;
int nr_controls = 1;
int mix_index = 0;
int ret;
char *name;
prof_ctrls = devm_kcalloc(tas_priv->dev, nr_controls,
sizeof(prof_ctrls[0]), GFP_KERNEL);
if (!prof_ctrls) {
ret = -ENOMEM;
goto out;
}
/* Create a mixer item for selecting the active profile */
name = devm_kzalloc(tas_priv->dev, SNDRV_CTL_ELEM_ID_NAME_MAXLEN,
GFP_KERNEL);
if (!name) {
ret = -ENOMEM;
goto out;
}
scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "Speaker Profile Id");
prof_ctrls[mix_index].name = name;
prof_ctrls[mix_index].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
prof_ctrls[mix_index].info = tasdevice_info_profile;
prof_ctrls[mix_index].get = tasdevice_get_profile_id;
prof_ctrls[mix_index].put = tasdevice_set_profile_id;
mix_index++;
ret = snd_soc_add_component_controls(tas_priv->codec,
prof_ctrls, nr_controls < mix_index ? nr_controls : mix_index);
out:
return ret;
}
static int tasdevice_program_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
ucontrol->value.integer.value[0] = tas_priv->cur_prog;
return 0;
}
static int tasdevice_program_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
unsigned int nr_program = ucontrol->value.integer.value[0];
int ret = 0;
if (tas_priv->cur_prog != nr_program) {
tas_priv->cur_prog = nr_program;
ret = 1;
}
return ret;
}
static int tasdevice_configuration_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
ucontrol->value.integer.value[0] = tas_priv->cur_conf;
return 0;
}
static int tasdevice_configuration_put(
struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
unsigned int nr_configuration = ucontrol->value.integer.value[0];
int ret = 0;
if (tas_priv->cur_conf != nr_configuration) {
tas_priv->cur_conf = nr_configuration;
ret = 1;
}
return ret;
}
static int tasdevice_dsp_create_ctrls(
struct tasdevice_priv *tas_priv)
{
struct snd_kcontrol_new *dsp_ctrls;
char *prog_name, *conf_name;
int nr_controls = 2;
int mix_index = 0;
int ret;
/* Alloc kcontrol via devm_kzalloc, which don't manually
* free the kcontrol
*/
dsp_ctrls = devm_kcalloc(tas_priv->dev, nr_controls,
sizeof(dsp_ctrls[0]), GFP_KERNEL);
if (!dsp_ctrls) {
ret = -ENOMEM;
goto out;
}
/* Create a mixer item for selecting the active profile */
prog_name = devm_kzalloc(tas_priv->dev,
SNDRV_CTL_ELEM_ID_NAME_MAXLEN, GFP_KERNEL);
conf_name = devm_kzalloc(tas_priv->dev, SNDRV_CTL_ELEM_ID_NAME_MAXLEN,
GFP_KERNEL);
if (!prog_name || !conf_name) {
ret = -ENOMEM;
goto out;
}
scnprintf(prog_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN,
"Speaker Program Id");
dsp_ctrls[mix_index].name = prog_name;
dsp_ctrls[mix_index].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
dsp_ctrls[mix_index].info = tasdevice_info_programs;
dsp_ctrls[mix_index].get = tasdevice_program_get;
dsp_ctrls[mix_index].put = tasdevice_program_put;
mix_index++;
scnprintf(conf_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN,
"Speaker Config Id");
dsp_ctrls[mix_index].name = conf_name;
dsp_ctrls[mix_index].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
dsp_ctrls[mix_index].info = tasdevice_info_configurations;
dsp_ctrls[mix_index].get = tasdevice_configuration_get;
dsp_ctrls[mix_index].put = tasdevice_configuration_put;
mix_index++;
ret = snd_soc_add_component_controls(tas_priv->codec, dsp_ctrls,
nr_controls < mix_index ? nr_controls : mix_index);
out:
return ret;
}
static void tasdevice_fw_ready(const struct firmware *fmw,
void *context)
{
struct tasdevice_priv *tas_priv = context;
int ret = 0;
int i;
mutex_lock(&tas_priv->codec_lock);
ret = tasdevice_rca_parser(tas_priv, fmw);
if (ret)
goto out;
tasdevice_create_control(tas_priv);
tasdevice_dsp_remove(tas_priv);
tasdevice_calbin_remove(tas_priv);
tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING;
scnprintf(tas_priv->coef_binaryname, 64, "%s_coef.bin",
tas_priv->dev_name);
ret = tasdevice_dsp_parser(tas_priv);
if (ret) {
dev_err(tas_priv->dev, "dspfw load %s error\n",
tas_priv->coef_binaryname);
tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
goto out;
}
tasdevice_dsp_create_ctrls(tas_priv);
tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK;
/* If calibrated data occurs error, dsp will still works with default
* calibrated data inside algo.
*/
for (i = 0; i < tas_priv->ndev; i++) {
scnprintf(tas_priv->cal_binaryname[i], 64, "%s_cal_0x%02x.bin",
tas_priv->dev_name, tas_priv->tasdevice[i].dev_addr);
ret = tas2781_load_calibration(tas_priv,
tas_priv->cal_binaryname[i], i);
if (ret != 0)
dev_err(tas_priv->dev,
"%s: load %s error, default will effect\n",
__func__, tas_priv->cal_binaryname[i]);
}
tasdevice_prmg_calibdata_load(tas_priv, 0);
tas_priv->cur_prog = 0;
out:
if (tas_priv->fw_state == TASDEVICE_DSP_FW_FAIL) {
/*If DSP FW fail, kcontrol won't be created */
tasdevice_config_info_remove(tas_priv);
tasdevice_dsp_remove(tas_priv);
}
mutex_unlock(&tas_priv->codec_lock);
if (fmw)
release_firmware(fmw);
}
static int tasdevice_dapm_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *codec = snd_soc_dapm_to_component(w->dapm);
struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
int state = 0;
/* Codec Lock Hold */
mutex_lock(&tas_priv->codec_lock);
if (event == SND_SOC_DAPM_PRE_PMD)
state = 1;
tasdevice_tuning_switch(tas_priv, state);
/* Codec Lock Release*/
mutex_unlock(&tas_priv->codec_lock);
return 0;
}
static const struct snd_soc_dapm_widget tasdevice_dapm_widgets[] = {
SND_SOC_DAPM_AIF_IN("ASI", "ASI Playback", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_AIF_OUT_E("ASI OUT", "ASI Capture", 0, SND_SOC_NOPM,
0, 0, tasdevice_dapm_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_SPK("SPK", tasdevice_dapm_event),
SND_SOC_DAPM_OUTPUT("OUT"),
SND_SOC_DAPM_INPUT("DMIC")
};
static const struct snd_soc_dapm_route tasdevice_audio_map[] = {
{"SPK", NULL, "ASI"},
{"OUT", NULL, "SPK"},
{"ASI OUT", NULL, "DMIC"}
};
static int tasdevice_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_component *codec = dai->component;
struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
int ret = 0;
if (tas_priv->fw_state != TASDEVICE_DSP_FW_ALL_OK) {
dev_err(tas_priv->dev, "DSP bin file not loaded\n");
ret = -EINVAL;
}
return ret;
}
static int tasdevice_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
{
struct tasdevice_priv *tas_priv = snd_soc_dai_get_drvdata(dai);
unsigned int slot_width;
unsigned int fsrate;
int bclk_rate;
int rc = 0;
fsrate = params_rate(params);
switch (fsrate) {
case 48000:
case 44100:
break;
default:
dev_err(tas_priv->dev, "%s: incorrect sample rate = %u\n",
__func__, fsrate);
rc = -EINVAL;
goto out;
}
slot_width = params_width(params);
switch (slot_width) {
case 16:
case 20:
case 24:
case 32:
break;
default:
dev_err(tas_priv->dev, "%s: incorrect slot width = %u\n",
__func__, slot_width);
rc = -EINVAL;
goto out;
}
bclk_rate = snd_soc_params_to_bclk(params);
if (bclk_rate < 0) {
dev_err(tas_priv->dev, "%s: incorrect bclk rate = %d\n",
__func__, bclk_rate);
rc = bclk_rate;
goto out;
}
out:
return rc;
}
static int tasdevice_set_dai_sysclk(struct snd_soc_dai *codec_dai,
int clk_id, unsigned int freq, int dir)
{
struct tasdevice_priv *tas_priv = snd_soc_dai_get_drvdata(codec_dai);
tas_priv->sysclk = freq;
return 0;
}
static const struct snd_soc_dai_ops tasdevice_dai_ops = {
.startup = tasdevice_startup,
.hw_params = tasdevice_hw_params,
.set_sysclk = tasdevice_set_dai_sysclk,
};
static struct snd_soc_dai_driver tasdevice_dai_driver[] = {
{
.name = "tas2781_codec",
.id = 0,
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.channels_max = 4,
.rates = TASDEVICE_RATES,
.formats = TASDEVICE_FORMATS,
},
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 4,
.rates = TASDEVICE_RATES,
.formats = TASDEVICE_FORMATS,
},
.ops = &tasdevice_dai_ops,
.symmetric_rate = 1,
},
};
static int tasdevice_codec_probe(struct snd_soc_component *codec)
{
struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
return tascodec_init(tas_priv, codec, tasdevice_fw_ready);
}
static void tasdevice_deinit(void *context)
{
struct tasdevice_priv *tas_priv = (struct tasdevice_priv *) context;
tasdevice_config_info_remove(tas_priv);
tasdevice_dsp_remove(tas_priv);
tasdevice_calbin_remove(tas_priv);
tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING;
}
static void tasdevice_codec_remove(
struct snd_soc_component *codec)
{
struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
tasdevice_deinit(tas_priv);
}
static const struct snd_soc_component_driver
soc_codec_driver_tasdevice = {
.probe = tasdevice_codec_probe,
.remove = tasdevice_codec_remove,
.controls = tas2781_snd_controls,
.num_controls = ARRAY_SIZE(tas2781_snd_controls),
.dapm_widgets = tasdevice_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(tasdevice_dapm_widgets),
.dapm_routes = tasdevice_audio_map,
.num_dapm_routes = ARRAY_SIZE(tasdevice_audio_map),
.idle_bias_on = 1,
.endianness = 1,
};
static void tasdevice_parse_dt(struct tasdevice_priv *tas_priv)
{
struct i2c_client *client = (struct i2c_client *)tas_priv->client;
unsigned int dev_addrs[TASDEVICE_MAX_CHANNELS];
int rc, i, ndev = 0;
if (tas_priv->isacpi) {
ndev = device_property_read_u32_array(&client->dev,
"ti,audio-slots", NULL, 0);
if (ndev <= 0) {
ndev = 1;
dev_addrs[0] = client->addr;
} else {
ndev = (ndev < ARRAY_SIZE(dev_addrs))
? ndev : ARRAY_SIZE(dev_addrs);
ndev = device_property_read_u32_array(&client->dev,
"ti,audio-slots", dev_addrs, ndev);
}
tas_priv->irq_info.irq_gpio =
acpi_dev_gpio_irq_get(ACPI_COMPANION(&client->dev), 0);
} else {
struct device_node *np = tas_priv->dev->of_node;
#ifdef CONFIG_OF
const __be32 *reg, *reg_end;
int len, sw, aw;
aw = of_n_addr_cells(np);
sw = of_n_size_cells(np);
if (sw == 0) {
reg = (const __be32 *)of_get_property(np,
"reg", &len);
reg_end = reg + len/sizeof(*reg);
ndev = 0;
do {
dev_addrs[ndev] = of_read_number(reg, aw);
reg += aw;
ndev++;
} while (reg < reg_end);
} else {
ndev = 1;
dev_addrs[0] = client->addr;
}
#else
ndev = 1;
dev_addrs[0] = client->addr;
#endif
tas_priv->irq_info.irq_gpio = of_irq_get(np, 0);
}
tas_priv->ndev = ndev;
for (i = 0; i < ndev; i++)
tas_priv->tasdevice[i].dev_addr = dev_addrs[i];
tas_priv->reset = devm_gpiod_get_optional(&client->dev,
"reset-gpios", GPIOD_OUT_HIGH);
if (IS_ERR(tas_priv->reset))
dev_err(tas_priv->dev, "%s Can't get reset GPIO\n",
__func__);
strcpy(tas_priv->dev_name, tasdevice_id[tas_priv->chip_id].name);
if (gpio_is_valid(tas_priv->irq_info.irq_gpio)) {
rc = gpio_request(tas_priv->irq_info.irq_gpio,
"AUDEV-IRQ");
if (!rc) {
gpio_direction_input(
tas_priv->irq_info.irq_gpio);
tas_priv->irq_info.irq =
gpio_to_irq(tas_priv->irq_info.irq_gpio);
} else
dev_err(tas_priv->dev, "%s: GPIO %d request error\n",
__func__, tas_priv->irq_info.irq_gpio);
} else
dev_err(tas_priv->dev,
"Looking up irq-gpio property failed %d\n",
tas_priv->irq_info.irq_gpio);
}
static int tasdevice_i2c_probe(struct i2c_client *i2c)
{
const struct i2c_device_id *id = i2c_match_id(tasdevice_id, i2c);
const struct acpi_device_id *acpi_id;
struct tasdevice_priv *tas_priv;
int ret;
tas_priv = tasdevice_kzalloc(i2c);
if (!tas_priv)
return -ENOMEM;
if (ACPI_HANDLE(&i2c->dev)) {
acpi_id = acpi_match_device(i2c->dev.driver->acpi_match_table,
&i2c->dev);
if (!acpi_id) {
dev_err(&i2c->dev, "No driver data\n");
ret = -EINVAL;
goto err;
}
tas_priv->chip_id = acpi_id->driver_data;
tas_priv->isacpi = true;
} else {
tas_priv->chip_id = id ? id->driver_data : 0;
tas_priv->isacpi = false;
}
tasdevice_parse_dt(tas_priv);
ret = tasdevice_init(tas_priv);
if (ret)
goto err;
ret = devm_snd_soc_register_component(tas_priv->dev,
&soc_codec_driver_tasdevice,
tasdevice_dai_driver, ARRAY_SIZE(tasdevice_dai_driver));
if (ret) {
dev_err(tas_priv->dev, "%s: codec register error:0x%08x\n",
__func__, ret);
goto err;
}
err:
if (ret < 0)
tasdevice_remove(tas_priv);
return ret;
}
static void tasdevice_i2c_remove(struct i2c_client *client)
{
struct tasdevice_priv *tas_priv = i2c_get_clientdata(client);
tasdevice_remove(tas_priv);
}
#ifdef CONFIG_ACPI
static const struct acpi_device_id tasdevice_acpi_match[] = {
{ "TAS2781", TAS2781 },
{},
};
MODULE_DEVICE_TABLE(acpi, tasdevice_acpi_match);
#endif
static struct i2c_driver tasdevice_i2c_driver = {
.driver = {
.name = "tas2781-codec",
.owner = THIS_MODULE,
.of_match_table = of_match_ptr(tasdevice_of_match),
#ifdef CONFIG_ACPI
.acpi_match_table = ACPI_PTR(tasdevice_acpi_match),
#endif
},
.probe = tasdevice_i2c_probe,
.remove = tasdevice_i2c_remove,
.id_table = tasdevice_id,
};
module_i2c_driver(tasdevice_i2c_driver);
MODULE_AUTHOR("Shenghao Ding <shenghao-ding@ti.com>");
MODULE_AUTHOR("Kevin Lu <kevin-lu@ti.com>");
MODULE_DESCRIPTION("ASoC TAS2781 Driver");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS(SND_SOC_TAS2781_FMWLIB);