Create tas2781 driver.
Signed-off-by: Shenghao Ding 13916275206@139.com
--- Changes in v4: - fixed issue| Reported-by: kernel test robot lkp@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202305192322.gBZ4JIyr-lkp@intel.com/ Changes to be committed: modified: sound/soc/codecs/Kconfig modified: sound/soc/codecs/Makefile new file: sound/soc/codecs/tas2781-comlib.c new file: sound/soc/codecs/tas2781-i2c.c --- sound/soc/codecs/Kconfig | 25 + sound/soc/codecs/Makefile | 6 + sound/soc/codecs/tas2781-comlib.c | 581 +++++++++++++++++++++++ sound/soc/codecs/tas2781-i2c.c | 736 ++++++++++++++++++++++++++++++ 4 files changed, 1348 insertions(+) create mode 100644 sound/soc/codecs/tas2781-comlib.c create mode 100644 sound/soc/codecs/tas2781-i2c.c
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 8020097d4e4c..0481ed52e1c3 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -234,6 +234,9 @@ 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 imply SND_SOC_TAS5086 imply SND_SOC_TAS571X imply SND_SOC_TAS5720 @@ -1699,6 +1702,28 @@ 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 + tristate "Texas Instruments TAS2781 speaker amplifier" + 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 diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 5cdbae88e6e3..97c3881ed587 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -269,6 +269,9 @@ 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-objs := tas2781-i2c.o snd-soc-tfa9879-objs := tfa9879.o snd-soc-tfa989x-objs := tfa989x.o snd-soc-tlv320adc3xxx-objs := tlv320adc3xxx.o @@ -633,6 +636,9 @@ 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-$(CONFIG_SND_SOC_TAS2781) += snd-soc-tas2781.o obj-$(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 diff --git a/sound/soc/codecs/tas2781-comlib.c b/sound/soc/codecs/tas2781-comlib.c new file mode 100644 index 000000000000..5994698326b1 --- /dev/null +++ b/sound/soc/codecs/tas2781-comlib.c @@ -0,0 +1,581 @@ +// 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, + enum channel chn, int book) +{ + struct i2c_client *client = (struct i2c_client *)tas_priv->client; + int ret = 0; + int i; + + if (chn < tas_priv->ndev) { + struct tasdevice *tasdev = &tas_priv->tasdevice[chn]; + + if (tas_priv->glb_addr.ref_cnt != 0) { + tas_priv->glb_addr.ref_cnt = 0; + tas_priv->glb_addr.cur_book = -1; + } + client->addr = tasdev->dev_addr; + if (tasdev->cur_book != book) { + ret = regmap_write(tas_priv->regmap, + 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 if (chn == tas_priv->ndev) { + struct global_addr *glb_addr = &tas_priv->glb_addr; + + /* Chn == device number will enable global broadcast mode*/ + if (tas_priv->glb_addr.ref_cnt == 0) + for (i = 0; i < tas_priv->ndev; i++) + tas_priv->tasdevice[i].cur_book = -1; + client->addr = glb_addr->dev_addr; + if (glb_addr->cur_book != book) { + ret = regmap_write(tas_priv->regmap, + TASDEVICE_BOOKCTL_REG, book); + if (ret < 0) { + dev_err(tas_priv->dev, "%s, book%x, E=%d\n", + __func__, book, ret); + goto out; + } + glb_addr->cur_book = book; + } + + glb_addr->ref_cnt++; + } 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, + enum channel chn, unsigned int reg, unsigned int *val) +{ + int ret = 0; + + if (chn < tas_priv->ndev) { + ret = tasdevice_change_chn_book(tas_priv, chn, + TASDEVICE_BOOK_ID(reg)); + if (ret < 0) + goto out; + + ret = regmap_read(tas_priv->regmap, 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, + enum channel chn, unsigned int reg, unsigned int value) +{ + int ret = 0; + + /* chn <= tas_dev->ndev will support global broadcast mode*/ + if (chn <= tas_priv->ndev) { + ret = tasdevice_change_chn_book(tas_priv, chn, + TASDEVICE_BOOK_ID(reg)); + if (ret < 0) + goto out; + + ret = regmap_write(tas_priv->regmap, 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, enum channel chn, + unsigned int reg, unsigned char *data, + unsigned int len) +{ + int ret = 0; + + /* chn <= tas_dev->ndev will support global broadcast mode*/ + if (chn <= tas_priv->ndev) { + ret = tasdevice_change_chn_book(tas_priv, chn, + TASDEVICE_BOOK_ID(reg)); + if (ret < 0) + goto out; + + ret = regmap_bulk_write(tas_priv->regmap, 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, + enum channel chn, unsigned int reg, unsigned char *data, + unsigned int len) +{ + int ret = 0; + + if (chn < tas_priv->ndev) { + ret = tasdevice_change_chn_book(tas_priv, chn, + TASDEVICE_BOOK_ID(reg)); + if (ret < 0) + goto out; + + ret = regmap_bulk_read(tas_priv->regmap, 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, enum channel chn, + unsigned int reg, unsigned int mask, unsigned int value) +{ + int ret = 0; + + /* update-bits can't support global broadcast mode, + * because this operation contains a reading operation + * for register value. In global mode, reading register + * from all of the tas2781 will cause confusion. + */ + if (chn < tas_priv->ndev) { + ret = tasdevice_change_chn_book(tas_priv, chn, + TASDEVICE_BOOK_ID(reg)); + if (ret < 0) + goto out; + + ret = regmap_update_bits(tas_priv->regmap, + 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); + +/* Only register write and bulk write support global mode + * Other cases, such as bits update, register read and bulk + * only support device-by-device operation + */ +static void tas2781_set_global_mode(struct tasdevice_priv *tas_priv) +{ + int i, ret; + + for (i = 0; i < tas_priv->ndev; i++) { + ret = tasdevice_dev_update_bits(tas_priv, i, + TAS2781_MISC_CFG2, TAS2781_GLOBAL_ADDR_MASK, + TAS2781_GLOBAL_ADDR_ENABLE); + if (ret < 0) { + dev_err(tas_priv->dev, "%s: chn %d set glb fail, %d\n", + __func__, i, ret); + continue; + } + } +} + +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); + + tas2781_reset(tas_priv); + if (tas_priv->set_global_mode) + tas_priv->set_global_mode(tas_priv); + + /* 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; + } + + if (tas_priv->glb_addr.dev_addr != 0 + && tas_priv->glb_addr.dev_addr < 0x7F) + tas_priv->set_global_mode = tas2781_set_global_mode; + 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 *im; + struct tasdev_blk *blk; + unsigned int nr_blk; + + if (!prog) + return; + + im = &(prog->dev_data); + + if (!im->dev_blks) + return; + + for (nr_blk = 0; nr_blk < im->nr_blk; nr_blk++) { + blk = &(im->dev_blks[nr_blk]); + kfree(blk->data); + } + kfree(im->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 *im; + struct tasdev_blk *blk; + unsigned int nr_blk; + + if (cfg) { + im = &(cfg->dev_data); + + if (!im->dev_blks) + return; + + for (nr_blk = 0; nr_blk < im->nr_blk; nr_blk++) { + blk = &(im->dev_blks[nr_blk]); + kfree(blk->data); + } + kfree(im->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 = 1; + int val, i; + + val = tasdevice_clamp(ucontrol->value.integer.value[0], max, invert); + + if (tas_priv->set_global_mode) { + ret = tasdevice_dev_write(tas_priv, tas_priv->ndev, + mc->reg, (unsigned int)val); + if (ret) + dev_err(tas_priv->dev, "%s, error in global mode\n", + __func__); + } + + if (!tas_priv->set_global_mode || ret != 0) { + 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"); diff --git a/sound/soc/codecs/tas2781-i2c.c b/sound/soc/codecs/tas2781-i2c.c new file mode 100644 index 000000000000..0443014def3d --- /dev/null +++ b/sound/soc/codecs/tas2781-i2c.c @@ -0,0 +1,736 @@ +// 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 const struct snd_kcontrol_new tas2781_snd_controls[] = { + SOC_SINGLE_RANGE_EXT_TLV("Amp Gain Volume", TAS2781_AMP_LEVEL, + 1, 0, 20, 0, tas2781_amp_getvol, + tas2781_amp_putvol, amp_vol_tlv), + SOC_SINGLE_RANGE_EXT_TLV("Digital Volume", TAS2781_DVC_LVL, + 0, 0, 200, 1, tas2781_digital_getvol, + tas2781_digital_putvol, dvc_tlv), +}; + +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 = 0; + } + + 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, "spk-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, + "spk-prog-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, + "spk-conf-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 = (struct tasdevice_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[max_chn]; + 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]; + + if (ndev > 1) { + rc = device_property_read_u32(&client->dev, + "ti,broadcast-addr", + &(tas_priv->glb_addr.dev_addr)); + if (rc) { + dev_err(tas_priv->dev, + "Looking up broadcast-addr failed %d\n", rc); + tas_priv->glb_addr.dev_addr = 0; + } + } + + 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);