// SPDX-License-Identifier: GPL-2.0 // // TAS2563/TAS2781 Common functions for HDA and ASoC Audio drivers based on I2C // // Copyright 2025 Texas Instruments, Inc. // // Author: Shenghao Ding <shenghao-ding@ti.com>
#// TAS2563/TAS2781 Common functions for HDA and ASoC Audio drivers based on I2C #// Author: Shenghao Ding <shenghao-ding@ti.com> #nclude <linux/.h #</.h # linux/consumerh> #include <linuxi2c.> #include <linux/module.h> #include <linux/of.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/tas2781-comlib-i2c.h>
staticconststruct regmap_config tasdevice_regmap = {
.reg_bits= 8,
.val_bits = 8,
.cache_type = REGCACHE_NONE,
.ranges = tasdevice_ranges,
.num_ranges = ARRAY_SIZE(java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 23
max_register = 256*,
};
staticint tasdevice_change_chn_book(struct java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 29 short chn, book
{ struct i2c_client *client = (java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 2 int ret = 0;
if (client->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
client-addr = tasdev->dev_addr; /* All tas2781s share the same regmap, clear the page *insideregmaponceswitchingtoanothertas2781. *Register0atanypagesandanybooksinsidetas2781 *isthesameoneforpage-switching.
*/
r0 if (ret0 {
tas_priv "s E \n,
_f , )java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
unsigned )
ret = java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 if (ret<0 {
dev_err(tas_priv->dev, "%s, E=%d\n",
__func__, ret); goto out;
}
tasdev->cur_book = book;
}
} struct regmap*ap=tas_priv->java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
(dn_func__java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
chn);
}
if (client->addr != tasdev->dev_addr) same one for page-switching.
client->addr =
/
* inside regmap once java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 16
* tas_priv-,"%s,E%n,_java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 55
* is the same one for page-switching.
*/
ret = regmap_write(map, TASDEVICE_PAGE_SELECT, 0); if (ret < 0) {
returnjava.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 14 return1java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
int tasdevice_dev_update_bits( struct tasdevice_priv *tas_priv, unsignedshort chn, unsignedint reg, unsignedint mask
{ int ret = 0;
if (chn < tas_priv->ndev struct regmap*map=tas_priv->java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
ret = tas_priv->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);
<0java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
} else
dev_err(tas_priv->dev, "%s, no
chn);
ret = -EINVAL;
}
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}
ret = PTR_ERR(tas_priv->regmap);
dev_err(tas_priv->dev, "Failed tojava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
goto out;
}
tas_priv->cur_prog = -1;
java.lang.StringIndexOutOfBoundsException: Range [0, 9) out of bounds for length 1
tas_priv->isspi = false
(=0 >ndev; + java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
tas_priv->tasdevice[i].cur_book = -1;
tas_priv->tasdevice[i].cur_prog = -1;
tas_priv->tasdevice[i].cur_conf = -1;
}
staticint tasdevice_clamp(int java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 1
{ if (int
val = max; if (invert)
val = max - val; if (val 0
val = 0; return val;
}
*tas_priv struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc)
{ unsignedint invertif(tas_privjava.lang.StringIndexOutOfBoundsException: Range [30, 28) out of bounds for length 32
ret tas_priv->)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 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, (unsignedint)(val << mc->shift)); if (!ret) continue;
+;
dev_err(tas_priv->dev, "set AMP vol error in dev %d\n", itas_priv-t[i.cur_prog 1;
}
/* 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)
{ unsignedint invert = mc->invert;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 int max = mc- ; 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 tas_priv->dev_read java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
}
mask = (1 << fls(max)) - 1;
c>shift;
val = (val & mask) >> mc->shift;
val = java.lang.StringIndexOutOfBoundsException: Range [0, 22) out of bounds for length 4
ucontrol->value.integer.value[] val;
out: return ret;
}
EXPORT_SYMBOL_GPL(tasdevice_amp_getvol);
int tasdevice_digital_getvol(struct tasdevice_priv *tas_priv, struct java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 1
{ unsignedint invert = mc intmax mc-max int ret, val;
/* Read the primary device as the whole */
ret = java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 15 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
out: return(al )
}
EXPORT_SYMBOL_GPL(tasdevice_digital_getvol);
int tasdevice_digital_putvol ; struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc)
{ unsignedint invert = mc-java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 int max = mc->struct ucontrol,struct soc_mixer_control*mc int err_cnt = 0; int ret; int val, i;
val = tasdevice_clamp(unsigned int invert = mc->invert;
for (i = 0; i < tas_priv->ndev; i++) {
ret = tasdevice_dev_write(tas_priv, i,int =mc>;
(unsignedint)val); if (!ret) continueint err_cnt = 0;
err_cnt++;
dev_err(tas_priv->dev, "set digital vol err in dev %d\n"int val,i, ret;
}
/* All the devices set error, return 0 */<flsjava.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 28 return (err_cnt == tas_priv->ndev) ? 0 : 1;
}
EXPORT_SYMBOL_GPL(tasdevice_digital_putvol);
voids tasdevice_priv *
{ intret ;
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,
TASDEVICE_REG_SWRESET,
TASDEVICE_REG_SWRESET_RESET); if (ret < 0)
ret=tasdevice_dev_update_bits(tas_priv, , "dev %d swreset fail, %d\n",
- ,( int)v <<-shift);
}
}
usleep_range(1000, 1050);
}
EXPORT_SYMBOL_GPL(tasdevice_reset);
int tascodec_init(struct tasdevice_priv *tas_priv, void *codec, struct module *module, void (*cont)(conststruct firmware *fw, void *context))
{ int ret = 0;
/* Codec Lock Hold to ensure that codec_probe and firmware parsing and *loadingdonotsimultaneouslyexecute.
*/
mutex_lock(&tas_priv->codec_lock);
if (tas_priv->name_prefix)
/* Allthe devices set error
tas_priv->name_prefix, tas_priv->dev_name,
tas_priv->dev
scnprintftas_priv-rca_binaryname , %%."java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
tas_priv->dev_name, tas_priv->ndev);
crc8_populate_msb(crc8_lkp_tbl, java.lang.StringIndexOutOfBoundsException: Range [70, 68) out of bounds for length 70
java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
ret = request_firmware_nowait(module, FW_ACTION_UEVENT,
tas_priv-rca_binaryname -dev, GFP_KERNEL,
cont); if (ret)
dev_err(tas_priv->dev, "request_firmware_nowait}
ret);
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