#ifndef __FREQHOPPING_DRV_H
#define __FREQHOPPING_DRV_H

#include <linux/proc_fs.h>
#include "mach/mt_freqhopping.h"

/* move to /mediatek/platform/prj, can config. by prj. */
/* #define MEMPLL_SSC 0 */
/* #define MAINPLL_SSC 1 */

/* Export API */
int mt_freqhopping_devctl(unsigned int cmd, void *args);

struct mt_fh_hal_proc_func {

	int (*clk_gen_read)(char *, char **, off_t, int, int *, void *);
	int (*clk_gen_write)(struct file *, const char *, unsigned long, void *);
	int (*dramc_read)(struct seq_file *m, void *v);	/* (char *, char **, off_t, int, int *, void *); */
	int (*dramc_write)(struct file *, const char *, unsigned long, void *);
	int (*dumpregs_read)(struct seq_file *m, void *v);	/* (char *, char **, off_t, int, int *, void *); */
	int (*dvfs_read)(struct seq_file *m, void *v);	/* (char *, char **, off_t, int, int *, void *); */
	int (*dvfs_write)(struct file *, const char *, unsigned long, void *);

};

struct mt_fh_hal_driver {

	fh_pll_t *fh_pll;
	struct freqhopping_ssc *fh_usrdef;
	unsigned int mempll;
	unsigned int lvdspll;
	unsigned int mainpll;
	unsigned int msdcpll;
	unsigned int mmpll;
	unsigned int vencpll;
	unsigned int pll_cnt;

	struct mt_fh_hal_proc_func proc;

	void (*mt_fh_hal_init)(void);
	int (*mt_fh_hal_ctrl)(struct freqhopping_ioctl *, bool);
	void (*mt_fh_lock)(unsigned long *);
	void (*mt_fh_unlock)(unsigned long *);
	int (*mt_fh_get_init)(void);
	void (*mt_fh_popod_restore)(void);
	void (*mt_fh_popod_save)(void);

	int (*mt_l2h_mempll)(void);
	int (*mt_h2l_mempll)(void);
	int (*mt_dfs_armpll)(unsigned int, unsigned int);
	int (*mt_dfs_mmpll)(unsigned int);
	int (*mt_dfs_vencpll)(unsigned int);
	int (*mt_dfs_mpll)(unsigned int);
	int (*mt_dfs_mempll)(unsigned int);
	int (*mt_is_support_DFS_mode)(void);
	int (*mt_l2h_dvfs_mempll)(void);
	int (*mt_h2l_dvfs_mempll)(void);
	int (*mt_dram_overclock)(int);
	int (*mt_get_dramc)(void);
	void (*mt_fh_default_conf)(void);

	void (*ioctl)(unsigned int ctlid, void *);
};

/* define ctlid for ioctl() */
#define FH_IO_PROC_READ 0x001

enum FH_DEVCTL_CMD_ID {
	FH_DCTL_CMD_ID = 0x1000,
	FH_DCTL_CMD_DVFS = 0x1001,
	FH_DCTL_CMD_DVFS_SSC_ENABLE = 0x1002,
	FH_DCTL_CMD_DVFS_SSC_DISABLE = 0x1003,
	FH_DCTL_CMD_SSC_ENABLE = 0x1004,
	FH_DCTL_CMD_SSC_DISABLE = 0x1005,
	FH_DCTL_CMD_MAX
};


/* define structure for correspoinding ctlid */
typedef struct {
	struct seq_file *m;
	void *v;
	fh_pll_t *pll;
} FH_IO_PROC_READ_T;

struct mt_fh_hal_driver *mt_get_fh_hal_drv(void);

#define FH_BUG_ON(x) \
do {    \
		if ((x)) \
			pr_err("BUGON %s:%d %s:%d\n", __func__, __LINE__, current->comm, current->pid); \
} while (0)

#endif