FM / mtd

/usr/src/linux-headers-5.15.0-181/include/linux/mtd/

/usr/src/linux-headers-5.15.0-181/include/linux/mtd

Name	Size	Mode	Actions
bbm.h	4825	0644	edit dl rm
blktrans.h	2682	0644	edit dl rm
cfi.h	10144	0644	edit dl rm
cfi_endian.h	1514	0644	edit dl rm
concat.h	493	0644	edit dl rm
doc2000.h	5505	0644	edit dl rm
flashchip.h	2478	0644	edit dl rm
ftl.h	2551	0644	edit dl rm
gen_probe.h	615	0644	edit dl rm
hyperbus.h	2893	0644	edit dl rm
inftl.h	1599	0644	edit dl rm
jedec.h	1905	0644	edit dl rm
latch-addr-flash.h	716	0644	edit dl rm
lpc32xx_mlc.h	385	0644	edit dl rm
lpc32xx_slc.h	385	0644	edit dl rm
map.h	13016	0644	edit dl rm
mtd.h	22569	0644	edit dl rm
mtdram.h	257	0644	edit dl rm
nand-ecc-sw-bch.h	2117	0644	edit dl rm
nand-ecc-sw-hamming.h	2717	0644	edit dl rm
nand-gpio.h	330	0644	edit dl rm
nand.h	30284	0644	edit dl rm
ndfc.h	2070	0644	edit dl rm
nftl.h	1734	0644	edit dl rm
onenand.h	7974	0644	edit dl rm
onenand_regs.h	7217	0644	edit dl rm
onfi.h	4962	0644	edit dl rm
partitions.h	3946	0644	edit dl rm
pfow.h	4489	0644	edit dl rm
physmap.h	808	0644	edit dl rm
pismo.h	271	0644	edit dl rm
plat-ram.h	668	0644	edit dl rm
platnand.h	2545	0644	edit dl rm
qinfo.h	2530	0644	edit dl rm
rawnand.h	52400	0644	edit dl rm
sharpsl.h	485	0644	edit dl rm
sh_flctl.h	5927	0644	edit dl rm
spear_smi.h	1714	0644	edit dl rm
spi-nor.h	17247	0644	edit dl rm
spinand.h	16220	0644	edit dl rm
super.h	578	0644	edit dl rm
ubi.h	9914	0644	edit dl rm
xip.h	2556	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/include/linux/mtd/qinfo.h (2530B)

/* SPDX-License-Identifier: GPL-2.0 */
#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/partition 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[];
};

/* 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

cmd: