Aquaris-M10-4G/drivers/misc/mediatek/dum-char/v2/dumchar.h

#ifndef __DUMCHAR_H__
#define __DUMCHAR_H__


#include <linux/ioctl.h>
#include <linux/cdev.h>
#include <linux/mtd/mtd.h>
#include <linux/semaphore.h>

/*#include <linux/mmc/sd_misc.h>*/

/*
 * Macros to help debugging
 */
/* #define DUMCHAR_DEBUG */
/* #undef DUMCHAR_DEBUG */            /* undef it, just in case */
/*
#ifdef DUMCHAR_DEBUG
#define DDEBUG(fmt, args...) printk(KERN_DEBUG "dumchar_debug: " fmt, ## args)
#else
#define DDEBUG(fmt, args...)
#endif
*/

#define DUMCHAR_MAJOR        0	/* dynamic major by default */
#define MAX_SD_BUFFER		(512)
#define ALIE_LEN		512


/* #define PrintBuff 1 */

struct dumchar_dev {
	char *dumname;		/* nvram boot userdata... */
	char actname[64];	/* full act name /dev/mt6573_sd0 /dev/mtd/mtd1 */
	struct semaphore sem;	/* Mutual exclusion */
	dev_type type;		/* nand device or emmc device? */
	unsigned long long size;	/* partition size */
	struct cdev cdev;
	Region region;		/* for emmc */
	unsigned long long start_address;	/* for emmc */
	unsigned int mtd_index;	/* for nand */
};

struct Region_Info {
	Region region;
	unsigned long long size_Byte;
};

struct file_obj {
	struct file *act_filp;
	int index;		/* index in dumchar_dev arry */
};

#define REGION_NUM						8
#define EXT_CSD_BOOT_SIZE_MULT          226	/* R */
#define EXT_CSD_RPMB_SIZE_MULT          168	/* R */

#define	MSDC_RAW_DEVICE					"/dev/misc-sd"

#ifdef CONFIG_MTK_MTD_NAND
extern u64 mtd_partition_start_address(struct mtd_info *mtd);
#endif

#define mtd_for_each_device(mtd)			\
	for ((mtd) = __mtd_next_device(0);		\
	     (mtd) != NULL;				\
	     (mtd) = __mtd_next_device(mtd->index + 1))

#ifndef CONFIG_MTK_NEW_COMBO_EMMC_SUPPORT
#define EMMC_PART_BOOT1		(BOOT_1)
#define EMMC_PART_BOOT2		(BOOT_2)
#define EMMC_PART_RPMB		(RPMB)
#define EMMC_PART_GP1		(GP_1)
#define EMMC_PART_GP2		(GP_2)
#define EMMC_PART_GP3		(GP_3)
#define EMMC_PART_GP4		(GP_4)
#define EMMC_PART_USER		(USER)
#define NAND_PART_USER		(USER)

#endif

#ifdef CONFIG_MTK_EMMC_SUPPORT

extern int simple_sd_ioctl_rw(struct msdc_ioctl *msdc_ctl);
extern int init_pmt(void);
#ifdef CONFIG_MTK_EMMC_CACHE
extern void msdc_get_cache_region(void);
#endif

#endif

#ifdef CONFIG_MTK_MTD_NAND
extern struct mtd_info *__mtd_next_device(int i);
#endif

#endif /*__DUMCHAR_H__ */