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// SPDX-License-Identifier: GPL-2.0
//
// TAS2563/TAS2781 Common functions for HDA and ASoC Audio drivers
//
// Copyright 2023 - 2025 Texas Instruments, Inc.
//
// Author: Shenghao Ding <shenghao-ding@ti.com>
#include <linux/crc8.h>
#include <linux/dev_printk.h>
#include <linux/firmware.h>
#include <linux/gpio/consumer.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <sound/tas2781.h>
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 = tas_priv->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_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 = tas_priv->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_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 = tas_priv->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 = tas_priv->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);
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)
{
mutex_destroy(&tas_priv->codec_lock);
}
EXPORT_SYMBOL_GPL(tasdevice_remove);
MODULE_DESCRIPTION("TAS2781 common library");
MODULE_AUTHOR("Shenghao Ding, TI, <shenghao-ding@ti.com>");
MODULE_LICENSE("GPL");
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