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/* 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>
//
#ifndef __TAS2781_H__
#define __TAS2781_H__
#include "tas2781-dsp.h"
/* version number */
#define TAS2781_DRV_VER 1
#define SMARTAMP_MODULE_NAME "tas2781"
#define TAS2781_GLOBAL_ADDR 0x40
#define TASDEVICE_RATES (SNDRV_PCM_RATE_44100 |\
SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 |\
SNDRV_PCM_RATE_88200)
#define TASDEVICE_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
SNDRV_PCM_FMTBIT_S24_LE | \
SNDRV_PCM_FMTBIT_S32_LE)
/*PAGE Control Register (available in page0 of each book) */
#define TASDEVICE_PAGE_SELECT 0x00
#define TASDEVICE_BOOKCTL_PAGE 0x00
#define TASDEVICE_BOOKCTL_REG 127
#define TASDEVICE_BOOK_ID(reg) (reg / (256 * 128))
#define TASDEVICE_PAGE_ID(reg) ((reg % (256 * 128)) / 128)
#define TASDEVICE_PAGE_REG(reg) ((reg % (256 * 128)) % 128)
#define TASDEVICE_PGRG(reg) (reg % (256 * 128))
#define TASDEVICE_REG(book, page, reg) (((book * 256 * 128) + \
(page * 128)) + reg)
/*Software Reset */
#define TAS2781_REG_SWRESET TASDEVICE_REG(0x0, 0X0, 0x01)
#define TAS2781_REG_SWRESET_RESET BIT(0)
/*I2C Checksum */
#define TASDEVICE_I2CChecksum TASDEVICE_REG(0x0, 0x0, 0x7E)
/* Volume control */
#define TAS2781_DVC_LVL TASDEVICE_REG(0x0, 0x0, 0x1A)
#define TAS2781_AMP_LEVEL TASDEVICE_REG(0x0, 0x0, 0x03)
#define TAS2781_AMP_LEVEL_MASK GENMASK(5, 1)
#define TASDEVICE_CMD_SING_W 0x1
#define TASDEVICE_CMD_BURST 0x2
#define TASDEVICE_CMD_DELAY 0x3
#define TASDEVICE_CMD_FIELD_W 0x4
enum audio_device {
TAS2781 = 0,
};
enum device_catlog_id {
LENOVO = 0,
OTHERS
};
struct tasdevice {
struct tasdevice_fw *cali_data_fmw;
unsigned int dev_addr;
unsigned int err_code;
unsigned char cur_book;
short cur_prog;
short cur_conf;
bool is_loading;
bool is_loaderr;
};
struct tasdevice_irqinfo {
int irq_gpio;
int irq;
};
struct calidata {
unsigned char *data;
unsigned long total_sz;
};
struct tasdevice_priv {
struct tasdevice tasdevice[TASDEVICE_MAX_CHANNELS];
struct tasdevice_irqinfo irq_info;
struct tasdevice_rca rcabin;
struct calidata cali_data;
struct tasdevice_fw *fmw;
struct gpio_desc *reset;
struct mutex codec_lock;
struct regmap *regmap;
struct device *dev;
struct tm tm;
enum device_catlog_id catlog_id;
const char *acpi_subsystem_id;
unsigned char cal_binaryname[TASDEVICE_MAX_CHANNELS][64];
unsigned char crc8_lkp_tbl[CRC8_TABLE_SIZE];
unsigned char coef_binaryname[64];
unsigned char rca_binaryname[64];
unsigned char dev_name[32];
unsigned char ndev;
unsigned int magic_num;
unsigned int chip_id;
unsigned int sysclk;
int cur_prog;
int cur_conf;
int fw_state;
int index;
void *client;
void *codec;
bool force_fwload_status;
bool playback_started;
bool isacpi;
int (*fw_parse_variable_header)(struct tasdevice_priv *tas_priv,
const struct firmware *fmw, int offset);
int (*fw_parse_program_data)(struct tasdevice_priv *tas_priv,
struct tasdevice_fw *tas_fmw,
const struct firmware *fmw, int offset);
int (*fw_parse_configuration_data)(struct tasdevice_priv *tas_priv,
struct tasdevice_fw *tas_fmw,
const struct firmware *fmw, int offset);
int (*tasdevice_load_block)(struct tasdevice_priv *tas_priv,
struct tasdev_blk *block);
};
void tas2781_reset(struct tasdevice_priv *tas_dev);
int tascodec_init(struct tasdevice_priv *tas_priv, void *codec,
struct module *module,
void (*cont)(const struct firmware *fw, void *context));
struct tasdevice_priv *tasdevice_kzalloc(struct i2c_client *i2c);
int tasdevice_init(struct tasdevice_priv *tas_priv);
void tasdevice_remove(struct tasdevice_priv *tas_priv);
int tasdevice_dev_read(struct tasdevice_priv *tas_priv,
unsigned short chn, unsigned int reg, unsigned int *value);
int tasdevice_dev_write(struct tasdevice_priv *tas_priv,
unsigned short chn, unsigned int reg, unsigned int value);
int tasdevice_dev_bulk_write(
struct tasdevice_priv *tas_priv, unsigned short chn,
unsigned int reg, unsigned char *p_data, unsigned int n_length);
int tasdevice_dev_bulk_read(struct tasdevice_priv *tas_priv,
unsigned short chn, unsigned int reg, unsigned char *p_data,
unsigned int n_length);
int tasdevice_dev_update_bits(
struct tasdevice_priv *tasdevice, unsigned short chn,
unsigned int reg, unsigned int mask, unsigned int value);
int tasdevice_amp_putvol(struct tasdevice_priv *tas_priv,
struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc);
int tasdevice_amp_getvol(struct tasdevice_priv *tas_priv,
struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc);
int tasdevice_digital_putvol(struct tasdevice_priv *tas_priv,
struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc);
int tasdevice_digital_getvol(struct tasdevice_priv *tas_priv,
struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc);
#endif /* __TAS2781_H__ */
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