diff options
Diffstat (limited to 'sound/soc/codecs/tas2781-comlib.c')
| -rw-r--r-- | sound/soc/codecs/tas2781-comlib.c | 55 |
1 files changed, 41 insertions, 14 deletions
diff --git a/sound/soc/codecs/tas2781-comlib.c b/sound/soc/codecs/tas2781-comlib.c index 5d0e5348b361..1e0b3aa95749 100644 --- a/sound/soc/codecs/tas2781-comlib.c +++ b/sound/soc/codecs/tas2781-comlib.c @@ -1,8 +1,8 @@ // SPDX-License-Identifier: GPL-2.0 // -// tas2781-lib.c -- TAS2781 Common functions for HDA and ASoC Audio drivers +// TAS2563/TAS2781 Common functions for HDA and ASoC Audio drivers // -// Copyright 2023 Texas Instruments, Inc. +// Copyright 2023 - 2024 Texas Instruments, Inc. // // Author: Shenghao Ding <shenghao-ding@ti.com> @@ -14,7 +14,6 @@ #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> @@ -64,8 +63,8 @@ static int tasdevice_change_chn_book(struct tasdevice_priv *tas_priv, */ ret = regmap_write(map, TASDEVICE_PAGE_SELECT, 0); if (ret < 0) { - dev_err(tas_priv->dev, "%s, E=%d\n", - __func__, ret); + dev_err(tas_priv->dev, "%s, E=%d channel:%d\n", + __func__, ret, chn); goto out; } } @@ -89,6 +88,32 @@ out: return ret; } +int tasdev_chn_switch(struct tasdevice_priv *tas_priv, + unsigned short chn) +{ + struct i2c_client *client = (struct i2c_client *)tas_priv->client; + struct tasdevice *tasdev = &tas_priv->tasdevice[chn]; + struct regmap *map = tas_priv->regmap; + int ret; + + if (client->addr != tasdev->dev_addr) { + client->addr = tasdev->dev_addr; + /* All devices share the same regmap, clear the page + * inside regmap once switching to another device. + * Register 0 at any pages and any books inside tas2781 + * is the same one for page-switching. + */ + ret = regmap_write(map, TASDEVICE_PAGE_SELECT, 0); + if (ret < 0) { + dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret); + return ret; + } + return 1; + } + return 0; +} +EXPORT_SYMBOL_GPL(tasdev_chn_switch); + int tasdevice_dev_read(struct tasdevice_priv *tas_priv, unsigned short chn, unsigned int reg, unsigned int *val) { @@ -243,7 +268,7 @@ struct tasdevice_priv *tasdevice_kzalloc(struct i2c_client *i2c) } EXPORT_SYMBOL_GPL(tasdevice_kzalloc); -void tas2781_reset(struct tasdevice_priv *tas_dev) +void tasdevice_reset(struct tasdevice_priv *tas_dev) { int ret, i; @@ -254,8 +279,8 @@ void tas2781_reset(struct tasdevice_priv *tas_dev) } else { for (i = 0; i < tas_dev->ndev; i++) { ret = tasdevice_dev_write(tas_dev, i, - TAS2781_REG_SWRESET, - TAS2781_REG_SWRESET_RESET); + TASDEVICE_REG_SWRESET, + TASDEVICE_REG_SWRESET_RESET); if (ret < 0) dev_err(tas_dev->dev, "dev %d swreset fail, %d\n", @@ -264,7 +289,7 @@ void tas2781_reset(struct tasdevice_priv *tas_dev) } usleep_range(1000, 1050); } -EXPORT_SYMBOL_GPL(tas2781_reset); +EXPORT_SYMBOL_GPL(tasdevice_reset); int tascodec_init(struct tasdevice_priv *tas_priv, void *codec, struct module *module, @@ -277,8 +302,13 @@ int tascodec_init(struct tasdevice_priv *tas_priv, void *codec, */ mutex_lock(&tas_priv->codec_lock); - scnprintf(tas_priv->rca_binaryname, 64, "%sRCA%d.bin", - tas_priv->dev_name, tas_priv->ndev); + if (tas_priv->name_prefix) + scnprintf(tas_priv->rca_binaryname, 64, "%s-%sRCA%d.bin", + tas_priv->name_prefix, tas_priv->dev_name, + tas_priv->ndev); + else + 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(module, FW_ACTION_UEVENT, @@ -406,9 +436,6 @@ 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); |