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ASoC: tas2783A: use acpi initialisation table

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This patch adds support for parsing the initilisation
data from ACPI table. This table is required to configure
each device correctly so that correct channel's data is
selected during playback.

Signed-off-by: Niranjan H Y <niranjan.hy@ti.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20251215153219.810-7-niranjan.hy@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Niranjan H Y 2025-12-15 21:02:18 +05:30 committed by Mark Brown
parent a6b5629e13
commit ca8f3611dc
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 52 additions and 3 deletions
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1
sound/soc/codecs/Kconfig
View File

@ -2146,6 +2146,7 @@ config SND_SOC_TAS2781_I2C
config SND_SOC_TAS2783_SDW
tristate "Texas Instruments TAS2783 speaker amplifier (sdw)"
depends on SOUNDWIRE
depends on SND_SOC_SDCA
depends on EFI
select REGMAP_SOUNDWIRE
select REGMAP_SOUNDWIRE_MBQ

54
sound/soc/codecs/tas2783-sdw.c
View File

@ -32,6 +32,8 @@
#include <sound/soc.h>
#include <sound/tlv.h>
#include <sound/tas2781-tlv.h>
#include <sound/sdca_function.h>
#include <sound/sdca_regmap.h>
#include "tas2783.h"
@ -78,6 +80,7 @@ struct tas2783_prv {
struct snd_soc_component *component;
struct calibration_data cali_data;
struct sdw_slave *sdw_peripheral;
struct sdca_function_data *sa_func_data;
enum sdw_slave_status status;
/* calibration */
struct mutex calib_lock;
@ -1223,9 +1226,18 @@ static s32 tas_io_init(struct device *dev, struct sdw_slave *slave)
dev_err(tas_dev->dev, "fw request, wait_event timeout\n");
ret = -EAGAIN;
} else {
ret = regmap_multi_reg_write(tas_dev->regmap, tas2783_init_seq,
ARRAY_SIZE(tas2783_init_seq));
tas_dev->hw_init = true;
if (tas_dev->sa_func_data)
ret = sdca_regmap_write_init(dev, tas_dev->regmap,
tas_dev->sa_func_data);
else
ret = regmap_multi_reg_write(tas_dev->regmap, tas2783_init_seq,
ARRAY_SIZE(tas2783_init_seq));
if (ret)
dev_err(tas_dev->dev,
"init writes failed, err=%d", ret);
else
tas_dev->hw_init = true;
}
return ret;
@ -1275,12 +1287,47 @@ static s32 tas_sdw_probe(struct sdw_slave *peripheral,
struct regmap *regmap;
struct device *dev = &peripheral->dev;
struct tas2783_prv *tas_dev;
struct sdca_function_data *function_data = NULL;
int ret, i;
tas_dev = devm_kzalloc(dev, sizeof(*tas_dev), GFP_KERNEL);
if (!tas_dev)
return dev_err_probe(dev, -ENOMEM,
"Failed devm_kzalloc");
i = -1;
/* check if we have any SDCA function data available */
if (peripheral->sdca_data.num_functions > 0) {
dev_dbg(dev, "SDCA functions found: %d", peripheral->sdca_data.num_functions);
/* Look for Smart Amp function type */
for (i = 0; i < peripheral->sdca_data.num_functions; i++) {
if (peripheral->sdca_data.function[i].type ==
SDCA_FUNCTION_TYPE_SMART_AMP) {
dev_info(dev, "Found Smart Amp function at index %d", i);
break;
}
}
}
if (i >= 0 && i < peripheral->sdca_data.num_functions) {
/* Allocate memory for function data */
function_data = devm_kzalloc(dev, sizeof(*function_data),
GFP_KERNEL);
if (!function_data)
return dev_err_probe(dev, -ENOMEM,
"failed to parse sdca functions");
/* Parse the function */
ret = sdca_parse_function(dev, peripheral,
&peripheral->sdca_data.function[i],
function_data);
if (!ret)
tas_dev->sa_func_data = function_data;
else
dev_warn(dev, "smartamp function parse failed:err%d, using defaults", ret);
}
tas_dev->dev = dev;
tas_dev->sdw_peripheral = peripheral;
tas_dev->hw_init = false;
@ -1335,6 +1382,7 @@ static struct sdw_driver tas_sdw_driver = {
};
module_sdw_driver(tas_sdw_driver);
MODULE_IMPORT_NS("SND_SOC_SDCA");
MODULE_AUTHOR("Texas Instruments Inc.");
MODULE_DESCRIPTION("ASoC TAS2783 SoundWire Driver");
MODULE_LICENSE("GPL");