/* SPDX-License-Identifier: GPL-2.0 */
//
// ALSA SoC Texas Instruments TAS2563/TAS2781 Audio Smart Amplifier
//
// Copyright (C) 2022 - 2024 Texas Instruments Incorporated
// https://www.ti.com
//
// The TAS2563/TAS2781 driver implements a flexible and configurable
// algo coefficient setting for one, two, or even multiple
// TAS2563/TAS2781 chips.
//
// Author: Shenghao Ding <[email protected]>
// Author: Kevin Lu <[email protected]>
//

#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 TAS2563_GLOBAL_ADDR	0x48
#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 TASDEVICE_REG_SWRESET		TASDEVICE_REG(0x0, 0X0, 0x01)
#define TASDEVICE_REG_SWRESET_RESET	BIT(0)

/*I2C Checksum */
#define TASDEVICE_I2CChecksum		TASDEVICE_REG(0x0, 0x0, 0x7E)

/* XM_340 */
#define	TASDEVICE_XM_A1_REG	TASDEVICE_REG(0x64, 0x63, 0x3c)
/* XM_341 */
#define	TASDEVICE_XM_A2_REG	TASDEVICE_REG(0x64, 0x63, 0x38)

/* Volume control */
#define TAS2563_DVC_LVL			TASDEVICE_REG(0x00, 0x02, 0x0C)
#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 TAS2563_IDLE		TASDEVICE_REG(0x00, 0x00, 0x3e)
#define TAS2563_PRM_R0_REG		TASDEVICE_REG(0x00, 0x0f, 0x34)

#define TAS2563_RUNTIME_RE_REG_TF	TASDEVICE_REG(0x64, 0x02, 0x70)
#define TAS2563_RUNTIME_RE_REG		TASDEVICE_REG(0x64, 0x02, 0x48)

#define TAS2563_PRM_ENFF_REG		TASDEVICE_REG(0x00, 0x0d, 0x54)
#define TAS2563_PRM_DISTCK_REG		TASDEVICE_REG(0x00, 0x0d, 0x58)
#define TAS2563_PRM_TE_SCTHR_REG	TASDEVICE_REG(0x00, 0x0f, 0x60)
#define TAS2563_PRM_PLT_FLAG_REG	TASDEVICE_REG(0x00, 0x0d, 0x74)
#define TAS2563_PRM_SINEGAIN_REG	TASDEVICE_REG(0x00, 0x0d, 0x7c)
/* prm_Int_B0 */
#define TAS2563_TE_TA1_REG		TASDEVICE_REG(0x00, 0x10, 0x0c)
/* prm_Int_A1 */
#define TAS2563_TE_TA1_AT_REG		TASDEVICE_REG(0x00, 0x10, 0x10)
/* prm_TE_Beta */
#define TAS2563_TE_TA2_REG		TASDEVICE_REG(0x00, 0x0f, 0x64)
/* prm_TE_Beta1 */
#define TAS2563_TE_AT_REG		TASDEVICE_REG(0x00, 0x0f, 0x68)
/* prm_TE_1_Beta1 */
#define TAS2563_TE_DT_REG		TASDEVICE_REG(0x00, 0x0f, 0x70)

#define TAS2781_PRM_INT_MASK_REG	TASDEVICE_REG(0x00, 0x00, 0x3b)
#define TAS2781_PRM_CLK_CFG_REG		TASDEVICE_REG(0x00, 0x00, 0x5c)
#define TAS2781_PRM_RSVD_REG		TASDEVICE_REG(0x00, 0x01, 0x19)
#define TAS2781_PRM_TEST_57_REG		TASDEVICE_REG(0x00, 0xfd, 0x39)
#define TAS2781_PRM_TEST_62_REG		TASDEVICE_REG(0x00, 0xfd, 0x3e)
#define TAS2781_PRM_PVDD_UVLO_REG	TASDEVICE_REG(0x00, 0x00, 0x71)
#define TAS2781_PRM_CHNL_0_REG		TASDEVICE_REG(0x00, 0x00, 0x03)
#define TAS2781_PRM_NG_CFG0_REG		TASDEVICE_REG(0x00, 0x00, 0x35)
#define TAS2781_PRM_IDLE_CH_DET_REG	TASDEVICE_REG(0x00, 0x00, 0x66)
#define TAS2781_PRM_PLT_FLAG_REG	TASDEVICE_REG(0x00, 0x14, 0x38)
#define TAS2781_PRM_SINEGAIN_REG	TASDEVICE_REG(0x00, 0x14, 0x40)
#define TAS2781_PRM_SINEGAIN2_REG	TASDEVICE_REG(0x00, 0x14, 0x44)

#define TAS2781_TEST_UNLOCK_REG		TASDEVICE_REG(0x00, 0xFD, 0x0D)
#define TAS2781_TEST_PAGE_UNLOCK	0x0D

#define TAS2781_RUNTIME_LATCH_RE_REG	TASDEVICE_REG(0x00, 0x00, 0x49)
#define TAS2781_RUNTIME_RE_REG_TF	TASDEVICE_REG(0x64, 0x62, 0x48)
#define TAS2781_RUNTIME_RE_REG		TASDEVICE_REG(0x64, 0x63, 0x44)

#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 {
	TAS2563,
	TAS2781,
};

enum device_catlog_id {
	LENOVO = 0,
	OTHERS
};

struct bulk_reg_val {
	int reg;
	unsigned char val[4];
	unsigned char val_len;
	bool is_locked;
};

struct tasdevice {
	struct bulk_reg_val *cali_data_backup;
	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 cali_reg {
	unsigned int r0_reg;
	unsigned int r0_low_reg;
	unsigned int invr0_reg;
	unsigned int pow_reg;
	unsigned int tlimit_reg;
};

struct calidata {
	unsigned char *data;
	unsigned long total_sz;
	struct cali_reg cali_reg_array;
	unsigned int cali_dat_sz_per_dev;
};

struct tasdevice_priv {
	struct tasdevice tasdevice[TASDEVICE_MAX_CHANNELS];
	struct tasdevice_rca rcabin;
	struct calidata cali_data;
	struct tasdevice_fw *fmw;
	struct gpio_desc *speaker_id;
	struct gpio_desc *reset;
	struct mutex codec_lock;
	struct regmap *regmap;
	struct device *dev;
	struct tm tm;

	enum device_catlog_id catlog_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];
	const char *name_prefix;
	unsigned char ndev;
	unsigned int magic_num;
	unsigned int chip_id;
	unsigned int sysclk;

	int irq;
	int cur_prog;
	int cur_conf;
	int fw_state;
	int index;
	void *client;
	void *codec;
	bool force_fwload_status;
	bool playback_started;
	bool isacpi;
	bool is_user_space_calidata;
	unsigned int global_addr;

	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);

	int (*save_calibration)(struct tasdevice_priv *tas_priv);
	void (*apply_calibration)(struct tasdevice_priv *tas_priv);
};

void tasdevice_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_save_calibration(struct tasdevice_priv *tas_priv);
void tasdevice_apply_calibration(struct tasdevice_priv *tas_priv);
int tasdev_chn_switch(struct tasdevice_priv *tas_priv,
	unsigned short chn);
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__ */