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#ifndef __LINUX_MTD_QINFO_H
#define __LINUX_MTD_QINFO_H
#include <linux/mtd/map.h>
#include <linux/wait.h>
#include <linux/spinlock.h>
#include <linux/delay.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/flashchip.h>
#include <linux/mtd/partitions.h>
/* lpddr_private describes lpddr flash chip in memory map
* @ManufactId - Chip Manufacture ID
* @DevId - Chip Device ID
* @qinfo - pointer to qinfo records describing the chip
* @numchips - number of chips including virual RWW partitions
* @chipshift - Chip/partiton size 2^chipshift
* @chips - per-chip data structure
*/
struct lpddr_private {
uint16_t ManufactId;
uint16_t DevId;
struct qinfo_chip *qinfo;
int numchips;
unsigned long chipshift;
struct flchip chips[0];
};
/* qinfo_query_info structure contains request information for
* each qinfo record
* @major - major number of qinfo record
* @major - minor number of qinfo record
* @id_str - descriptive string to access the record
* @desc - detailed description for the qinfo record
*/
struct qinfo_query_info {
uint8_t major;
uint8_t minor;
char *id_str;
char *desc;
};
/*
* qinfo_chip structure contains necessary qinfo records data
* @DevSizeShift - Device size 2^n bytes
* @BufSizeShift - Program buffer size 2^n bytes
* @TotalBlocksNum - Total number of blocks
* @UniformBlockSizeShift - Uniform block size 2^UniformBlockSizeShift bytes
* @HWPartsNum - Number of hardware partitions
* @SuspEraseSupp - Suspend erase supported
* @SingleWordProgTime - Single word program 2^SingleWordProgTime u-sec
* @ProgBufferTime - Program buffer write 2^ProgBufferTime u-sec
* @BlockEraseTime - Block erase 2^BlockEraseTime m-sec
*/
struct qinfo_chip {
/* General device info */
uint16_t DevSizeShift;
uint16_t BufSizeShift;
/* Erase block information */
uint16_t TotalBlocksNum;
uint16_t UniformBlockSizeShift;
/* Partition information */
uint16_t HWPartsNum;
/* Optional features */
uint16_t SuspEraseSupp;
/* Operation typical time */
uint16_t SingleWordProgTime;
uint16_t ProgBufferTime;
uint16_t BlockEraseTime;
};
/* defines for fixup usage */
#define LPDDR_MFR_ANY 0xffff
#define LPDDR_ID_ANY 0xffff
#define NUMONYX_MFGR_ID 0x0089
#define R18_DEVICE_ID_1G 0x893c
static inline map_word lpddr_build_cmd(u_long cmd, struct map_info *map)
{
map_word val = { {0} };
val.x[0] = cmd;
return val;
}
#define CMD(x) lpddr_build_cmd(x, map)
#define CMDVAL(cmd) cmd.x[0]
struct mtd_info *lpddr_cmdset(struct map_info *);
#endif