/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (c) 2019 MediaTek Inc.
*/

#ifndef __MT_FREQHOPPING_H__
#define __MT_FREQHOPPING_H__


/* Disable all FHCTL Common Interface for chip Bring-up */
//#undef DISABLE_FREQ_HOPPING
/* Use HW semaphore to share REG_FHCTL_HP_EN with secure CPU DVFS */
#undef HP_EN_REG_SEMAPHORE_PROTECT
#define FH_FULL_PROC_INTERFACE_SUPPORT
#define FHTAG "[FH]"
#define VERBOSE_DEBUG 0
#define DEBUG_MSG_ENABLE 0

#if VERBOSE_DEBUG
	#define FH_MSG(fmt, args...) \
	pr_info(FHTAG""fmt" <- %s(): L<%d>  PID<%s><%d>\n", \
		##args, __func__, __LINE__, current->comm, current->pid)

	#define FH_MSG_DEBUG FH_MSG
#else

	#define FH_MSG(fmt, args...) pr_debug(fmt, ##args)

	#define FH_MSG_DEBUG(fmt, args...)\
		do {\
			if (DEBUG_MSG_ENABLE)\
				pr_debug(FHTAG""fmt"\n", ##args);\
		} while (0)
#endif

enum FH_FH_STATUS {
	FH_FH_DISABLE = 0,
	FH_FH_ENABLE_SSC,
};

enum FH_FH_PLL_SSC_DEF_STATUS {
	FH_SSC_DEF_DISABLE = 0,
	FH_SSC_DEF_ENABLE_SSC,
};


enum FH_PLL_STATUS {
	FH_PLL_DISABLE = 0,
	FH_PLL_ENABLE = 1
};


enum FH_CMD {
	FH_CMD_ENABLE = 1,
	FH_CMD_DISABLE,
	FH_CMD_ENABLE_USR_DEFINED,
	FH_CMD_DISABLE_USR_DEFINED,
	FH_CMD_INTERNAL_MAX_CMD
};

enum FH_PLL_STRUCT_FIELD {
	CURR_FREQ = 0,
	FH_STATUS,
	PLL_STATUS,
	SETTING_ID,
	SETTING_IDX_PATTERN,
	USER_DEFINED
};

enum FH_PLL_ID {
	FH_PLL0  = 0,       /*ARMPLL */
	FH_PLL1  = 1,       /*MAINPLL */
	FH_PLL2  = 2,       /*MSDCPLL */
	FH_PLL3  = 3,       /*MFGPLL */
	FH_PLL4  = 4,       /*MEMPLL */
	FH_PLL5  = 5,       /*MPLL */
	FH_PLL6  = 6,       /*MMPLL */
#if 1//defined(CONFIG_MACH_MT6768)
	FH_PLL7  = 7,       /*ARMPLL_L */
	FH_PLL8  = 8,       /*CCIPLL */
#endif

	FH_PLL_NUM,
};

#define FH_MEM_PLLID FH_PLL4
#define FH_MM_PLLID  FH_PLL6
#define FH_MAIN_PLLID FH_PLL1
#define isFHCTL(id) ((id >= FH_PLL0)?true:false)


/* keep track the status of each PLL */
/* TODO: do we need another "uint mode" for Dynamic FH */
struct fh_pll_t {
	unsigned int curr_freq;	/* Useless variable, just a legacy */
	unsigned int fh_status;
	unsigned int pll_status;
	unsigned int setting_id;
	unsigned int setting_idx_pattern;
	unsigned int user_defined;
};

struct freqhopping_ssc {
	unsigned int idx_pattern;
	unsigned int dt;
	unsigned int df;
	unsigned int upbnd;
	unsigned int lowbnd;
	unsigned int dds;
};

struct freqhopping_ioctl {
	unsigned int pll_id;
	struct freqhopping_ssc ssc_setting; /* used only when user-define */
	int result;
};

struct fhctl_ipi_data {
	unsigned int cmd;
	union {
		struct freqhopping_ioctl fh_ctl;
		unsigned int args[8];
	} u;
};


/* FHCTL HAL driver Interface. */
int mt_pause_armpll(unsigned int pll, unsigned int pause);
struct mt_fh_hal_driver *mt_get_fh_hal_drv(void);

#endif				/* !__MT_FREQHOPPING_H__ */