/*
 * include/linux/muic/muic.h
 *
 * header file supporting MUIC common information
 *
 * Copyright (C) 2010 Samsung Electronics
 * Seoyoung Jeong <seo0.jeong@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_H__
#define __MUIC_H__

#ifdef CONFIG_IFCONN_NOTIFIER
#include <linux/ifconn/ifconn_notifier.h>
#endif

#define MUIC_CORE "MUIC_CORE"
/* Status of IF PMIC chip (suspend and resume) */
enum {
	MUIC_SUSPEND		= 0,
	MUIC_RESUME,
};

/* MUIC Interrupt */
enum {
	MUIC_INTR_DETACH	= 0,
	MUIC_INTR_ATTACH
};

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

/* MUIC Dock Observer Callback parameter */
enum {
	MUIC_DOCK_DETACHED	= 0,
	MUIC_DOCK_DESKDOCK	= 1,
	MUIC_DOCK_CARDOCK	= 2,
	MUIC_DOCK_AUDIODOCK	= 101,
	MUIC_DOCK_SMARTDOCK	= 102,
	MUIC_DOCK_HMT		= 105,
	MUIC_DOCK_ABNORMAL	= 106,
	MUIC_DOCK_GAMEPAD	= 107,
	MUIC_DOCK_GAMEPAD_WITH_EARJACK	= 108,
};

/* MUIC Path */
enum {
	MUIC_PATH_USB_AP	= 0,
	MUIC_PATH_USB_CP,
	MUIC_PATH_UART_AP,
	MUIC_PATH_UART_CP,
	MUIC_PATH_OPEN,
	MUIC_PATH_AUDIO,
};

#ifdef CONFIG_MUIC_HV_FORCE_LIMIT
enum {
	HV_9V = 0,
	HV_5V,
};
#endif

enum muic_param_en {
	MUIC_DISABLE = 0,
	MUIC_ENABLE
};

/* MUIC HV State type */
typedef enum {
	HV_STATE_INVALID = -1,
	HV_STATE_IDLE = 0,
	HV_STATE_DCP_CHARGER = 1,
	HV_STATE_FAST_CHARGE_ADAPTOR = 2,
	HV_STATE_FAST_CHARGE_COMMUNICATION = 3,
	HV_STATE_AFC_5V_CHARGER = 4,
	HV_STATE_AFC_9V_CHARGER = 5,
	HV_STATE_QC_CHARGER = 6,
	HV_STATE_QC_5V_CHARGER = 7,
	HV_STATE_QC_9V_CHARGER = 8,
	HV_STATE_MAX_NUM = 9,
} muic_hv_state_t;

typedef enum {
	HV_TRANS_INVALID = -1,
	HV_TRANS_MUIC_DETACH = 0,
	HV_TRANS_DCP_DETECTED = 1,
	HV_TRANS_NO_RESPONSE = 2,
	HV_TRANS_VDNMON_LOW = 3,
	HV_TRANS_FAST_CHARGE_PING_RESPONSE = 4,
	HV_TRANS_VBUS_BOOST = 5,
	HV_TRANS_VBUS_REDUCE = 6,
	HV_TRANS_FAST_CHARGE_REOPEN = 7,
	HV_TRANS_MAX_NUM = 8,
} muic_hv_transaction_t;

/* bootparam SWITCH_SEL */
enum {
	SWITCH_SEL_USB_MASK	= 0x1,
	SWITCH_SEL_UART_MASK	= 0x2,
	SWITCH_SEL_RUSTPROOF_MASK	= 0x8,
	SWITCH_SEL_AFC_DISABLE_MASK	= 0x100,
};

/* bootparam CHARGING_MODE */
enum {
	CH_MODE_AFC_DISABLE_VAL = 0x31, /* char '1' */
};

/* MUIC ADC table */
typedef enum {
	ADC_GND			= 0x00,
	ADC_SEND_END		= 0x01, /* 0x00001 2K ohm */
	ADC_REMOTE_S1		= 0x02, /* 0x00010 2.604K ohm */
	ADC_REMOTE_S8		= 0x09, /* 0x01001 12.03K ohm */
	ADC_BUTTON_VOLDN	= 0x0a, /* 0x01010 14.46K ohm */
	ADC_BUTTON_VOLUP	= 0x0b, /* 0x01011 17.26K ohm */
	ADC_REMOTE_S11		= 0x0c, /* 0x01100 20.5K ohm */
	ADC_REMOTE_S12		= 0x0d, /* 0x01101 24.07K ohm */
	ADC_RESERVED_VZW	= 0x0e, /* 0x01110 28.7K ohm */
	ADC_INCOMPATIBLE_VZW	= 0x0f, /* 0x01111 34K ohm */
	ADC_SMARTDOCK		= 0x10, /* 0x10000 40.2K ohm */
	ADC_RDU_TA		= 0x10, /* 0x10000 40.2K ohm */
#ifdef CONFIG_MUIC_KEYBOARD
	ADC_KEYBOARD		= 0x11, /* 0x10001 49.9K ohm */
#else
	ADC_HMT			= 0x11, /* 0x10001 49.9K ohm */
#endif
	ADC_AUDIODOCK		= 0x12, /* 0x10010 64.9K ohm */
	ADC_USB_LANHUB		= 0x13, /* 0x10011 80.07K ohm */
	ADC_CHARGING_CABLE	= 0x14,	/* 0x10100 102K ohm */
	ADC_UNIVERSAL_MMDOCK	= 0x15, /* 0x10101 121K ohm */
	ADC_GAMEPAD		= 0x15, /* 0x10101 121K ohm */
	ADC_UART_CABLE		= 0x16, /* 0x10110 150K ohm */
	ADC_CEA936ATYPE1_CHG	= 0x17,	/* 0x10111 200K ohm */
	ADC_JIG_USB_OFF		= 0x18, /* 0x11000 255K ohm */
	ADC_JIG_USB_ON		= 0x19, /* 0x11001 301K ohm */
	ADC_DESKDOCK		= 0x1a, /* 0x11010 365K ohm */
	ADC_CEA936ATYPE2_CHG	= 0x1b, /* 0x11011 442K ohm */
	ADC_JIG_UART_OFF	= 0x1c, /* 0x11100 523K ohm */
	ADC_JIG_UART_ON		= 0x1d, /* 0x11101 619K ohm */
	ADC_AUDIOMODE_W_REMOTE	= 0x1e, /* 0x11110 1000K ohm */
	ADC_OPEN		= 0x1f,
	ADC_OPEN_219		= 0xfb, /* ADC open or 219.3K ohm */
	ADC_219			= 0xfc, /* ADC open or 219.3K ohm */

	ADC_UNDEFINED		= 0xfd, /* Undefied range */
	ADC_DONTCARE		= 0xfe, /* ADC don't care for MHL */
	ADC_ERROR		= 0xff, /* ADC value read error */
} muic_adc_t;

/* MUIC attached device type */
typedef enum {
	ATTACHED_DEV_NONE_MUIC = 0,

	ATTACHED_DEV_USB_MUIC,
	ATTACHED_DEV_CDP_MUIC,
	ATTACHED_DEV_OTG_MUIC,
	ATTACHED_DEV_TA_MUIC,
	ATTACHED_DEV_UNOFFICIAL_MUIC,
	ATTACHED_DEV_UNOFFICIAL_TA_MUIC,
	ATTACHED_DEV_UNOFFICIAL_ID_MUIC,
	ATTACHED_DEV_UNOFFICIAL_ID_TA_MUIC,
	ATTACHED_DEV_UNOFFICIAL_ID_ANY_MUIC,
	ATTACHED_DEV_UNOFFICIAL_ID_USB_MUIC,

	ATTACHED_DEV_UNOFFICIAL_ID_CDP_MUIC,
	ATTACHED_DEV_UNDEFINED_CHARGING_MUIC,
	ATTACHED_DEV_DESKDOCK_MUIC,
	ATTACHED_DEV_UNKNOWN_VB_MUIC,
	ATTACHED_DEV_DESKDOCK_VB_MUIC,
	ATTACHED_DEV_CARDOCK_MUIC,
	ATTACHED_DEV_JIG_UART_OFF_MUIC,
	ATTACHED_DEV_JIG_UART_OFF_VB_MUIC,	/* VBUS enabled */
	ATTACHED_DEV_JIG_UART_OFF_VB_OTG_MUIC,	/* for otg test */
	ATTACHED_DEV_JIG_UART_OFF_VB_FG_MUIC,	/* for fuelgauge test */

	ATTACHED_DEV_JIG_UART_ON_MUIC,
	ATTACHED_DEV_JIG_UART_ON_VB_MUIC,	/* VBUS enabled */
	ATTACHED_DEV_JIG_USB_OFF_MUIC,
	ATTACHED_DEV_JIG_USB_ON_MUIC,
	ATTACHED_DEV_SMARTDOCK_MUIC,
	ATTACHED_DEV_SMARTDOCK_VB_MUIC,
	ATTACHED_DEV_SMARTDOCK_TA_MUIC,
	ATTACHED_DEV_SMARTDOCK_USB_MUIC,
	ATTACHED_DEV_UNIVERSAL_MMDOCK_MUIC,
	ATTACHED_DEV_AUDIODOCK_MUIC,

	ATTACHED_DEV_MHL_MUIC,
	ATTACHED_DEV_CHARGING_CABLE_MUIC,
	ATTACHED_DEV_AFC_CHARGER_PREPARE_MUIC,
	ATTACHED_DEV_AFC_CHARGER_PREPARE_DUPLI_MUIC,
	ATTACHED_DEV_AFC_CHARGER_5V_MUIC,
	ATTACHED_DEV_AFC_CHARGER_5V_DUPLI_MUIC,
	ATTACHED_DEV_AFC_CHARGER_9V_MUIC,
	ATTACHED_DEV_AFC_CHARGER_9V_DUPLI_MUIC,
	ATTACHED_DEV_AFC_CHARGER_12V_MUIC,
	ATTACHED_DEV_AFC_CHARGER_12V_DUPLI_MUIC,

	ATTACHED_DEV_AFC_CHARGER_ERR_V_MUIC,
	ATTACHED_DEV_AFC_CHARGER_ERR_V_DUPLI_MUIC,
	ATTACHED_DEV_AFC_CHARGER_DISABLED_MUIC,
	ATTACHED_DEV_QC_CHARGER_PREPARE_MUIC,
	ATTACHED_DEV_QC_CHARGER_5V_MUIC,
	ATTACHED_DEV_QC_CHARGER_ERR_V_MUIC,
	ATTACHED_DEV_QC_CHARGER_9V_MUIC,
	ATTACHED_DEV_HV_ID_ERR_UNDEFINED_MUIC,
	ATTACHED_DEV_HV_ID_ERR_UNSUPPORTED_MUIC,
	ATTACHED_DEV_HV_ID_ERR_SUPPORTED_MUIC,

	ATTACHED_DEV_HMT_MUIC,
	ATTACHED_DEV_VZW_ACC_MUIC,
	ATTACHED_DEV_VZW_INCOMPATIBLE_MUIC,
	ATTACHED_DEV_USB_LANHUB_MUIC,
	ATTACHED_DEV_TYPE1_CHG_MUIC,
	ATTACHED_DEV_TYPE2_CHG_MUIC,
	ATTACHED_DEV_UNSUPPORTED_ID_MUIC,
	ATTACHED_DEV_UNSUPPORTED_ID_VB_MUIC,
	ATTACHED_DEV_UNDEFINED_RANGE_MUIC,
	ATTACHED_DEV_RDU_TA_MUIC,

	ATTACHED_DEV_GAMEPAD_MUIC,
	ATTACHED_DEV_TIMEOUT_OPEN_MUIC,
	ATTACHED_DEV_HICCUP_MUIC,
	ATTACHED_DEV_POGO_DOCK_MUIC,
	ATTACHED_DEV_POGO_DOCK_5V_MUIC,
	ATTACHED_DEV_POGO_DOCK_9V_MUIC,
	ATTACHED_DEV_TYPE3_MUIC,
	ATTACHED_DEV_TYPE3_MUIC_TA,
	ATTACHED_DEV_TYPE3_ADAPTER_MUIC,
	ATTACHED_DEV_TYPE3_CHARGER_MUIC,

	ATTACHED_DEV_NONE_TYPE3_MUIC,
	ATTACHED_DEV_WIRELESS_PAD_MUIC,
#if defined(CONFIG_SEC_FACTORY)
	ATTACHED_DEV_CARKIT_MUIC,
#endif
	ATTACHED_DEV_POWERPACK_MUIC,
	ATTACHED_DEV_WATER_MUIC,
	ATTACHED_DEV_CHK_WATER_REQ,
	ATTACHED_DEV_CHK_WATER_DRY_REQ,
	ATTACHED_DEV_EARJACK_MUIC,
	ATTACHED_DEV_SEND_MUIC,
	ATTACHED_DEV_VOLDN_MUIC,

	ATTACHED_DEV_VOLUP_MUIC,
	ATTACHED_DEV_CHECK_OCP,
	ATTACHED_DEV_FACTORY_UART_MUIC,
	ATTACHED_DEV_ABNORMAL_OTG_MUIC,
#if defined(CONFIG_MUIC_KEYBOARD)
	ATTACHED_DEV_MUIC_KEYBOARD,
#endif
	ATTACHED_DEV_UNKNOWN_MUIC,
	ATTACHED_DEV_NUM,
} muic_attached_dev_t;

#ifdef CONFIG_MUIC_HV_FORCE_LIMIT
/* MUIC attached device type */
typedef enum {
	SILENT_CHG_DONE = 0,
	SILENT_CHG_CHANGING = 1,

	SILENT_CHG_NUM,
} muic_silent_change_state_t;
#endif

/* muic common callback driver internal data structure
 * that setted at muic-core.c file
 */
struct muic_platform_data {
	void *drv_data;
	void *muic_if;
	int irq_gpio;
	bool suspended;
	bool need_to_noti;

	int switch_sel;

	int dcd_count;
	/* muic current USB/UART path */
	int usb_path;
	int uart_path;

	int gpio_uart_sel;
	int gpio_usb_sel;

#if defined(CONFIG_MUIC_HV)
	muic_hv_state_t hv_state;
#endif

	bool rustproof_on;
	bool afc_disable;
	bool afc_limit_voltage;

#ifdef CONFIG_MUIC_HV_FORCE_LIMIT
	int hv_sel;
	int silent_chg_change_state;
#endif

#ifdef CONFIG_MUIC_SYSFS
#ifdef CONFIG_TEMP
	struct mutex sysfs_mutex;
#endif
	struct device *switch_device;
#endif

	enum muic_op_mode		opmode;

	/* muic current attached device */
	muic_attached_dev_t	attached_dev;

	bool is_usb_ready;
	bool is_factory_start;
	bool is_rustproof;
	bool is_otg_test;

	bool is_jig_on;

	int vbvolt;
	int adc;

	/* muic switch dev register function for DockObserver */
	void (*init_switch_dev_cb)(void);
	void (*cleanup_switch_dev_cb)(void);

	void (*jig_uart_cb)(int jig_state);

	/* muic GPIO control function */
	int (*init_gpio_cb)(void *, int switch_sel);
	int (*set_gpio_usb_sel)(int usb_path);
	int (*set_gpio_uart_sel)(int uart_path);
	int (*set_safeout)(int safeout_path);

	/* muic path switch function for rustproof */
	void (*set_path_switch_suspend)(struct device *dev);
	void (*set_path_switch_resume)(struct device *dev);
	int (*set_voltage)(int vol);
	int (*set_afc)(bool enable);

	/* muic AFC voltage switching function */
	int (*muic_afc_set_voltage_cb)(int voltage);
	int (*muic_afc_get_voltage_cb)(void);

	/* muic hv charger disable function */
	int (*muic_hv_charger_disable_cb)(bool en);

	/* muic check charger init function */
	int (*muic_hv_charger_init_cb)(void);

	/* muic set hiccup mode function */
	int (*muic_set_hiccup_mode_cb)(int on_off);

	/* muic cable data collecting function */
	void (*init_cable_data_collect_cb)(void);
};

#if defined(CONFIG_MUIC_S2MU106)
#define MUIC_PDATA_VOID_FUNC(func, param) \
{\
	if (func)	\
		func(param);	\
	else	\
		pr_err("[muic_core] func not defined %s\n", __func__);	\
}

#define MUIC_PDATA_FUNC(func, param, ret) \
{\
	*ret = -1;	\
	if (func)	\
		*ret = func(param);	\
	else	\
		pr_err("[muic_core] func not defined %s\n", __func__);	\
}

#define MUIC_PDATA_FUNC_MULTI_PARAM(func, param1, param2, ret) \
{					\
	*ret = -1;	\
	if (func)	\
		*ret = func(param1, param2);	\
	else	\
		pr_err("[muic_core] func not defined %s\n", __func__);	\
}

#ifdef CONFIG_IFCONN_NOTIFIER
#define MUIC_SEND_NOTI_ATTACH(dev) \
{	\
	int ret;	\
	ret = ifconn_notifier_notify( \
					IFCONN_NOTIFY_MUIC,	\
					IFCONN_NOTIFY_MANAGER,	\
					IFCONN_NOTIFY_ID_ATTACH,	\
					dev,	\
					IFCONN_NOTIFY_PARAM_DATA,	\
					NULL);	\
	if (ret < 0) {	\
		pr_err("%s: Fail to send noti\n", \
				__func__);	\
	}	\
}

#define MUIC_SEND_NOTI_ATTACH_ALL(dev) \
{	\
	int ret;	\
	ret = ifconn_notifier_notify( \
					IFCONN_NOTIFY_MUIC,	\
					IFCONN_NOTIFY_ALL,	\
					IFCONN_NOTIFY_ID_ATTACH,	\
					dev,	\
					IFCONN_NOTIFY_PARAM_DATA,	\
					NULL);	\
	if (ret < 0) {	\
		pr_err("%s: Fail to send noti\n", \
				__func__);	\
	}	\
}

#define MUIC_SEND_NOTI_DETACH_ALL(dev) \
{	\
	int ret;	\
	ret = ifconn_notifier_notify( \
					IFCONN_NOTIFY_MUIC,	\
					IFCONN_NOTIFY_ALL,	\
					IFCONN_NOTIFY_ID_DETACH,	\
					dev,	\
					IFCONN_NOTIFY_PARAM_DATA,	\
					NULL);	\
	if (ret < 0) {	\
		pr_err("%s: Fail to send noti\n", \
				__func__);	\
	}	\
}

#define MUIC_SEND_NOTI_TO_CCIC_ATTACH(dev) \
{	\
	int ret;	\
	struct ifconn_notifier_template template;	\
	template.cable_type = dev;	\
	ret = ifconn_notifier_notify( \
					IFCONN_NOTIFY_MUIC,	\
					IFCONN_NOTIFY_CCIC,	\
					IFCONN_NOTIFY_ID_ATTACH,	\
					IFCONN_NOTIFY_EVENT_ATTACH,	\
					IFCONN_NOTIFY_PARAM_DATA,	\
					&template);	\
	if (ret < 0) {	\
		pr_err("%s: Fail to send noti\n", \
				__func__);	\
	}	\
}

#define MUIC_SEND_NOTI_TO_CCIC_DETACH(dev) \
{	\
	int ret;	\
	struct ifconn_notifier_template template;	\
	template.cable_type = dev;	\
	ret = ifconn_notifier_notify( \
					IFCONN_NOTIFY_MUIC,	\
					IFCONN_NOTIFY_CCIC,	\
					IFCONN_NOTIFY_ID_DETACH,	\
					IFCONN_NOTIFY_EVENT_DETACH,	\
					IFCONN_NOTIFY_PARAM_DATA,	\
					&template);	\
	if (ret < 0) {	\
		pr_err("%s: Fail to send noti\n", \
				__func__);	\
	}	\
}

#define MUIC_SEND_NOTI_DETACH(dev) \
{	\
	int ret;	\
	struct ifconn_notifier_template template;	\
	template.cable_type = dev;	\
	ret = ifconn_notifier_notify( \
					IFCONN_NOTIFY_MUIC,	\
					IFCONN_NOTIFY_MANAGER,	\
					IFCONN_NOTIFY_ID_DETACH,	\
					IFCONN_NOTIFY_EVENT_DETACH,	\
					IFCONN_NOTIFY_PARAM_DATA,	\
					&template);	\
	if (ret < 0) {	\
		pr_err("%s: Fail to send noti\n", \
				__func__);	\
	}	\
}

#else
#define MUIC_SEND_NOTI_ATTACH(dev)	\
		muic_notifier_attach_attached_dev(dev)
#define MUIC_SEND_NOTI_ATTACH_ALL(dev) \
		muic_notifier_attach_attached_dev(dev)
#define MUIC_SEND_NOTI_DETACH(dev) \
		muic_notifier_detach_attached_dev(dev)
#define MUIC_SEND_NOTI_DETACH_ALL(dev) \
		muic_notifier_detach_attached_dev(dev)
#define MUIC_SEND_NOTI_TO_CCIC_ATTACH(dev) \
		muic_pdic_notifier_attach_attached_dev(dev)
#define MUIC_SEND_NOTI_TO_CCIC_DETACH(dev) \
		muic_pdic_notifier_detach_attached_dev(dev)
#if defined(CONFIG_MUIC_KEYBOARD)
#define MUIC_SEND_KEYBOARD_NOTI_ATTACH()	\
		keyboard_notifier_attach()
#define MUIC_SEND_KEYBOARD_NOTI_DETACH() \
		keyboard_notifier_detach()
#endif
#endif

#define MUIC_IS_ATTACHED(dev) \
	(((dev != ATTACHED_DEV_UNKNOWN_MUIC) && (dev != ATTACHED_DEV_NONE_MUIC)) ? (1) : (0))

int muic_core_handle_attach(struct muic_platform_data *muic_pdata,
			muic_attached_dev_t new_dev, int adc, u8 vbvolt);
int muic_core_handle_detach(struct muic_platform_data *muic_pdata);
bool muic_core_get_ccic_cable_state(struct muic_platform_data *muic_pdata);
struct muic_platform_data *muic_core_init(void *drv_data);
void muic_core_exit(struct muic_platform_data *muic_pdata);
extern void muic_disable_otg_detect(void);
#endif /* s2mu004 */

#if defined(CONFIG_MUIC_HV)
int muic_core_hv_state_manager(struct muic_platform_data *muic_pdata,
		muic_hv_transaction_t trans);
bool muic_core_hv_is_hv_dev(struct muic_platform_data *muic_pdata);
void muic_core_hv_init(struct muic_platform_data *muic_pdata);
#endif

int get_switch_sel(void);
int get_afc_mode(void);
extern void muic_disable_otg_detect(void);

extern int get_ccic_info(void);
void muic_set_hmt_status(int status);
extern void muic_send_dock_intent(int type);
int muic_afc_set_voltage(int voltage);
int muic_hv_charger_init(void);
int muic_set_hiccup_mode(int on_off);

#ifdef CONFIG_SEC_FACTORY
extern void muic_send_attached_muic_cable_intent(int type);
#endif /* CONFIG_SEC_FACTORY */

#ifdef CONFIG_SWITCH
extern struct switch_dev switch_dock;
extern struct switch_dev switch_uart3;
#ifdef CONFIG_SEC_FACTORY
extern struct switch_dev switch_attached_muic_cable;
#endif
#endif /* CONFIG_SWITCH */
extern struct muic_platform_data muic_pdata;
extern int muic_dock_attach_notify(int type, const char *name);
extern int muic_dock_detach_notify(void);
extern int muic_handle_cable_data_notification(struct notifier_block *nb,
				unsigned long action, void *data);
extern void muic_init_switch_dev_cb(void);
extern void muic_cleanup_switch_dev_cb(void);
extern int muic_init_gpio_cb(void *data, int switch_sel);
#endif /* __MUIC_H__ */