/*
 * Copyright (C) 2010 Samsung Electronics
 * Thomas Ryu <smilesr.ryu@samsung.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#ifndef __MUIC_INTERNAL_H__
#define __MUIC_INTERNAL_H__

#include <linux/muic/muic.h>

#define MUIC_DEV_NAME   "muic-universal"

#define muic_err(fmt, ...)					\
	do {							\
		pr_err(pr_fmt(fmt), ##__VA_ARGS__);		\
	} while (0)

#define muic_info(fmt, ...)					\
	do {							\
		pr_info(pr_fmt(fmt), ##__VA_ARGS__);		\
	} while (0)

#define muic_dbg(fmt, ...)					\
	do {							\
		pr_debug(pr_fmt(fmt), ##__VA_ARGS__);		\
	} while (0)

enum muic_op_mode {
	OPMODE_MUIC = 0<<0,
	OPMODE_CCIC = 1<<0,
};

/* Interrupt type */
enum {
	INT_REQ_NONE    = 0,
	INT_REQ_ATTACH  = 1,
	INT_REQ_DETACH  = 2,
	INT_REQ_OVP     = 3,
	INT_REQ_RESET   = 4,
	INT_REQ_DONE    = 5,
	INT_REQ_DISCARD = 6,
	INT_REQ_DONE_HV = 7,
	INT_REQ_DONE_VB = 8,
};

/* Slave addr = 0x4A: MUIC */
enum ioctl_cmd {
	GET_COM_VAL = 0x01,
	GET_CTLREG = 0x02,
	GET_ADC = 0x03,
	GET_SWITCHING_MODE = 0x04,
	GET_INT_MASK = 0x05,
	GET_REVISION = 0x06,
	GET_OTG_STATUS = 0x7,
	GET_CHGTYPE = 0x08,
	GET_RESID3 = 0x09,
	GET_PRCHGTYPE = 0x0A,
};

enum switching_mode{
	SWMODE_MANUAL =0,
	SWMODE_AUTO = 1,
};

/*
 * Manual Switch
 * D- [7:5] / D+ [4:2] / Vbus [1:0]
 * 000: Open all / 001: USB / 010: AUDIO / 011: UART / 100: V_AUDIO
 * 00: Vbus to Open / 01: Vbus to Charger / 10: Vbus to MIC / 11: Vbus to VBout
 */

/* COM port index */
enum com_index {
	COM_OPEN = 1,
	COM_OPEN_WITH_V_BUS = 2,
	COM_UART_AP = 3,
	COM_UART_CP = 4,
	COM_USB_AP  = 5,
	COM_USB_CP  = 6,
	COM_AUDIO   = 7,
};

#if IS_ENABLED(CONFIG_HICCUP_CHARGER)
#define GND_PATH COM_USB_CP
#endif

enum{
	ADC_SCANMODE_CONTINUOUS = 0x0,
	ADC_SCANMODE_ONESHOT = 0x1,
	ADC_SCANMODE_PULSE = 0x2,
};

enum vps_type{
	VPS_TYPE_SCATTERED =0,
	VPS_TYPE_TABLE =1,
};

/* VPS data from a chip. */
typedef struct _muic_vps_scatterred_type {
        u8      val1;
        u8      val2;
        u8      val3;
        u8      adc;
        u8      vbvolt;
}vps_scatterred_type;

typedef struct _muic_vps_table_t {
	u8 uid;
	u8 uidgnd;
	u8 prchgtyp;
	u8 adc;
	u8 vbvolt;
	u8 adc1k;
	u8 adcerr;
	u8 adclow;
	u8 chgdetrun;
	u8 chgtyp;
	u8 DCDTimedout;
	const char *vps_name;
	const muic_attached_dev_t attached_dev;
	u8 status[3];
	u8 bccontrol[2];
	u8 control[4];
	u8 hvcontrol[2];
}vps_table_type;

struct muic_intr_data {
	u8	intr1;
	u8	intr2;
};

struct muic_irq_t {
	int irq_val;
	int irq_uid;
	int irq_uidgnd;
	int irq_prchgtyp;
	int irq_adc1k;
	int irq_adcerr;
	int irq_adc;
	int irq_chgtyp;
	int irq_vbvolt;
	int irq_dcdtmr;
};

typedef union _muic_vps_t {
	vps_scatterred_type s;
	vps_table_type t;
	char vps_data[120];
}vps_data_t;

/* muic chip specific internal data structure
 * that setted at muic-xxxx.c file
 */
struct regmap_desc;

typedef struct _muic_data_t {

	struct device *dev;
	struct i2c_client *i2c; /* i2c addr: 0x4A; MUIC */
	struct mutex muic_mutex;

	/* model dependant muic platform data */
	struct muic_platform_data *pdata;

	/* muic current attached device */
	muic_attached_dev_t attached_dev;

	vps_data_t vps;
	int vps_table;

	struct muic_intr_data intr;
	struct muic_irq_t irqs;

	/* regmap_desc_t */
	struct regmap_desc *regmapdesc;

	char *chip_name;

	int gpio_uart_sel;

	/* muic Device ID */
	u8 muic_vendor;			/* Vendor ID */
	u8 muic_version;		/* Version ID */

	bool	is_gamepad;
	bool	is_factory_start;
	bool	is_rustproof;
	bool	is_otg_test;
	bool	is_hiccup_mode;

	struct delayed_work	init_work;
	struct delayed_work	usb_work;

	bool	is_muic_ready;
	bool	undefined_range;
	bool	discard_interrupt;
	bool	is_dcdtmr_intr;

	struct hv_data		*phv;

#if defined(CONFIG_USB_EXTERNAL_NOTIFY)
	/* USB Notifier */
	struct notifier_block	usb_nb;
#endif

#if defined(CONFIG_MUIC_TEST_FUNC)
	bool			usb_to_ta_state;
#endif

#if defined(CONFIG_MUIC_SUPPORT_CCIC)
	/* legacy TA or USB for CCIC */
	muic_attached_dev_t	legacy_dev;

	/* CCIC Notifier */
#ifdef CONFIG_USB_TYPEC_MANAGER_NOTIFIER
	struct notifier_block	manager_nb;
#else
	struct notifier_block	ccic_nb;
#endif

	struct delayed_work	ccic_work;

	/* Operation Mode */
	enum muic_op_mode	opmode;
	bool			afc_water_disable;
	bool			afc_tsub_disable;

	int			rid;
	bool			is_ccic_attach;
	int			is_ccic_afc_enable;
	bool			is_ccic_rp56_enable;
#endif
}muic_data_t;

extern struct device *switch_device;

#endif /* __MUIC_INTERNAL_H__ */