/* SPDX-License-Identifier: GPL-2.0+ */

#ifndef __AW883XX_H__
#define __AW883XX_H__

#include <linux/version.h>
#include <sound/control.h>
#include <sound/soc.h>
#include "aw_device.h"

/*#define AW_QCOM_PLATFORM*/
#define AW_MTK_PLATFORM
/*#define AW_SPRD_PLATFORM*/

#define AW883XX_CHIP_ID_REG	(0x00)

#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 19, 1)
#define AW_KERNEL_VER_OVER_4_19_1
#endif

#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 4, 0)
#define AW_KERNEL_VER_OVER_5_4_0
MODULE_IMPORT_NS(VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver);
#endif

/* i2c transaction on Linux limited to 64k
 * (See Linux kernel documentation: Documentation/i2c/writing-clients)
*/
#define MAX_I2C_BUFFER_SIZE		(65536)
#define AW883XX_READ_MSG_NUM		(2)

#define AW_I2C_RETRIES			(5)
#define AW_I2C_RETRY_DELAY		(5)/* 5ms */

#define AW_READ_CHIPID_RETRY_DELAY	(5)/* 5ms */
#define AW_START_RETRIES		(5)

#define AW883XX_FLAG_START_ON_MUTE	(1 << 0)
#define AW883XX_FLAG_SKIP_INTERRUPTS	(1 << 1)

#define AW883XX_I2S_CHECK_MAX		(5)

#define AW883XX_SYSST_CHECK_MAX		(10)

#define AW883XX_BIN_TYPE_NUM		(3)
#define AW883XX_LOAD_FW_DELAY_TIME	(3000)
#define AW883XX_START_WORK_DELAY_MS	(0)


#define AW883XX_DSP_16_DATA_MASK	(0x0000ffff)

#define AW_GET_IV_CNT_MAX		(6)
#define AW_KCONTROL_NUM			(3)
#define AW_HW_MONITOR_DELAY		(1000)

enum {
	AWRW_I2C_ST_NONE = 0,
	AWRW_I2C_ST_READ,
	AWRW_I2C_ST_WRITE,
};

enum {
	AWRW_DSP_ST_NONE = 0,
	AWRW_DSP_READY,
};

enum {
	AW_SYNC_START = 0,
	AW_ASYNC_START,
};


#define AWRW_ADDR_BYTES (1)
#define AWRW_DATA_BYTES (2)
#define AWRW_HDR_LEN (24)

enum {
	AWRW_FLAG_WRITE = 0,
	AWRW_FLAG_READ,
};

enum {
	AWRW_HDR_WR_FLAG = 0,
	AWRW_HDR_ADDR_BYTES,
	AWRW_HDR_DATA_BYTES,
	AWRW_HDR_REG_NUM,
	AWRW_HDR_REG_ADDR,
	AWRW_HDR_MAX,
};

struct aw883xx_i2c_packet{
	unsigned char i2c_status;
	unsigned char dsp_status;
	unsigned int reg_num;
	unsigned int reg_addr;
	unsigned int dsp_addr;
	char *reg_data;
};



enum {
	AW883XX_STREAM_CLOSE = 0,
	AW883XX_STREAM_OPEN,
};

enum aw883xx_init {
	AW883XX_INIT_ST = 0,
	AW883XX_INIT_OK = 1,
	AW883XX_INIT_NG = 2,
};

enum aw_re_range {
	AW_RE_MIN = 1000,
	AW_RE_MAX = 40000,
};


/********************************************
 *
 * Compatible with codec and component
 *
 *******************************************/
#ifdef AW_KERNEL_VER_OVER_4_19_1
typedef struct snd_soc_component aw_snd_soc_codec_t;
typedef struct snd_soc_component_driver aw_snd_soc_codec_driver_t;
#else
typedef struct snd_soc_codec aw_snd_soc_codec_t;
typedef struct snd_soc_codec_driver aw_snd_soc_codec_driver_t;
#endif

struct aw_componet_codec_ops {
	aw_snd_soc_codec_t *(*kcontrol_codec)(struct snd_kcontrol *kcontrol);
	void *(*codec_get_drvdata)(aw_snd_soc_codec_t *codec);
	int (*add_codec_controls)(aw_snd_soc_codec_t *codec,
		const struct snd_kcontrol_new *controls, unsigned int num_controls);
	void (*unregister_codec)(struct device *dev);
	int (*register_codec)(struct device *dev,
			const aw_snd_soc_codec_driver_t *codec_drv,
			struct snd_soc_dai_driver *dai_drv,
			int num_dai);
};

struct aw883xx {
	struct i2c_client *i2c;
	struct device *dev;
	struct clk *mclk;
	struct mutex lock;
	struct mutex i2c_lock;
	aw_snd_soc_codec_t *codec;
	struct aw_componet_codec_ops *codec_ops;
	struct aw_device *aw_pa;

	int sysclk;
	int reset_gpio;
	int irq_gpio;

	unsigned char phase_sync;	/*phase sync*/
	uint32_t allow_pw;
	uint8_t pstream;
	unsigned char fw_retry_cnt;

	uint8_t dbg_en_prof;
	uint8_t i2c_log_en;
	uint8_t spin_flag;

	struct list_head list;

	struct workqueue_struct *work_queue;
	struct delayed_work start_work;
	struct delayed_work monitor_work;
	struct delayed_work interrupt_work;
	struct delayed_work acf_work;

	uint8_t reg_addr;
	uint16_t dsp_addr;
	uint16_t chip_id;
	struct aw883xx_i2c_packet i2c_packet;
};

int aw883xx_init(struct aw883xx *aw883xx);
int aw883xx_i2c_writes(struct aw883xx *aw883xx,
		uint8_t reg_addr, uint8_t *buf, uint16_t len);
int aw883xx_i2c_write(struct aw883xx *aw883xx,
		uint8_t reg_addr, uint16_t reg_data);
int aw883xx_reg_write(struct aw883xx *aw883xx,
		uint8_t reg_addr, uint16_t reg_data);
int aw883xx_i2c_read(struct aw883xx *aw883xx,
			uint8_t reg_addr, uint16_t *reg_data);
int aw883xx_reg_read(struct aw883xx *aw883xx,
		uint8_t reg_addr, uint16_t *reg_data);
int aw883xx_reg_write_bits(struct aw883xx *aw883xx,
		uint8_t reg_addr, uint16_t mask, uint16_t reg_data);
int aw883xx_dsp_write(struct aw883xx *aw883xx,
		uint16_t dsp_addr, uint32_t dsp_data, uint8_t data_type);
int aw883xx_dsp_read(struct aw883xx *aw883xx,
		uint16_t dsp_addr, uint32_t *dsp_data, uint8_t data_type);
int aw883xx_get_dev_num(void);
int aw883xx_get_version(char *buf, int size);

#endif