/* -*- linux-c -*- */
/*
* $Id: defs.h,v 1.3 2002/09/11 00:18:34 germeier Exp $
*
* Library for USB MPIO-*
*
* Markus Germeier (mager@tzi.de)
*
* uses code from mpio_stat.c by
* Yuji Touya (salmoon@users.sourceforge.net)
*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* */
#ifndef _MPIO_DEFS_H_
#define _MPIO_DEFS_H_
typedef unsigned char BYTE;
typedef unsigned short WORD;
typedef unsigned int DWORD;
/* Memory selection */
typedef enum { MPIO_INTERNAL_MEM = 0x01,
MPIO_EXTERNAL_MEM = 0x10 } mpio_mem_t;
/* USB commands */
typedef enum { GET_VERSION = 0x01,
GET_BLOCK = 0x02,
PUT_SECTOR = 0x03,
DEL_BLOCK = 0x04,
GET_SECTOR = 0x06,
GET_SPARE_AREA = 0x07,
PUT_BLOCK = 0x08 } mpio_cmd_t;
/* file types on internal memory */
/* found in the code of salmoon, are these needed? -mager */
typedef enum { FTYPE_CONF = 'C',
FTYPE_FONT = 'F',
FTYPE_OTHER = 'H',
FTYPE_ENTRY = 'R' } mpio_file_t;
#ifndef NULL
#define NULL 0
#endif
#define MPIO_DEVICE "/dev/usb/mpio"
#define SECTOR_SIZE 0x200
#define SECTOR_ECC 0x040
#define SECTOR_TRANS (SECTOR_SIZE + SECTOR_ECC)
#define BLOCK_SECTORS 0x20
#define BLOCK_SIZE (SECTOR_SIZE * BLOCK_SECTORS)
#define BLOCK_TRANS (BLOCK_SIZE + (SECTOR_ECC * BLOCK_SECTORS))
#define DIR_NUM 0x10
#define DIR_SIZE (SECTOR_SIZE*DIR_NUM)
#define DIR_ENTRY_SIZE 0x20
#define SMALL_MEM 0x02
#define CMD_SIZE 0x40
#define OFFSET_CIS 0x20
#define OFFSET_MBR 0x40
#define INFO_LINE 81
/* get formatted information, about the MPIO player */
typedef struct {
BYTE firmware_id[INFO_LINE];
BYTE firmware_version[INFO_LINE];
BYTE firmware_date[INFO_LINE];
BYTE firmware_mem_internal[INFO_LINE];
BYTE firmware_mem_external[INFO_LINE];
} mpio_info_t;
/* view of the MPIO firmware */
typedef struct {
/* everything we get from GET_VERSION */
BYTE id[12];
BYTE major[3];
BYTE minor[3];
BYTE year[5];
BYTE month[3];
BYTE day[3];
} mpio_firmware_t;
/* */
typedef struct {
DWORD NumCylinder;
DWORD NumHead;
DWORD NumSector;
DWORD SumSector;
} mpio_disk_phy_t;
/* view of a SmartMedia(tm) card */
typedef struct {
BYTE id;
BYTE manufacturer;
BYTE size; /* MB */
BYTE chips; /* this is the hack for
MPIO internal representation, because
there might be two chips involved */
/* only needed for external SmartMedia cards */
mpio_disk_phy_t geo;
BYTE cis[SECTOR_SIZE];
BYTE mbr[SECTOR_SIZE]; /* Master Boot Record */
BYTE pbr[SECTOR_SIZE]; /* Partition Boot Record */
int pbr_offset; /* sector offset for the PBR */
int fat_offset; /* sector offset for the FAT */
int dir_offset;
/* these are needed for internal and external cards */
int max_cluster; /* # of clusters actually available */
int fat_size; /* # sectors for FAT */
int fat_nums; /* # of FATs */
BYTE * fat; /* *real FAT (like in block allocation :-) */
/* seems to be a fixed size according to the
Samsung documentation */
BYTE dir[DIR_SIZE]; /* file index */
} mpio_smartmedia_t;
/* view of the MPIO-* */
typedef struct {
BYTE version[CMD_SIZE];
int fd;
mpio_firmware_t firmware;
mpio_smartmedia_t internal;
mpio_smartmedia_t external;
} mpio_t;
typedef struct {
mpio_t *m;
BYTE mem; /* internal/external memory */
DWORD entry; /* number of FAT entry */
/* internal */
BYTE i_index; /* file index of file to store */
BYTE i_fat[16]; /* internal FAT entry */
/* external */
DWORD e_sector; /* logical startsector of cluster */
/* mapping to HW (== block address) */
DWORD hw_address; /* 3 bytes block addressing + 1 byte chip */
} mpio_fatentry_t;
/* these are copied from:
* http://www.linuxhq.com/kernel/v2.4/doc/filesystems/vfat.txt.html
*
*/
typedef struct { // Short 8.3 names
unsigned char name[8]; // file name
unsigned char ext[3]; // file extension
unsigned char attr; // attribute byte
unsigned char lcase; // Case for base and extension
unsigned char ctime_ms; // Creation time, milliseconds
unsigned char ctime[2]; // Creation time
unsigned char cdate[2]; // Creation date
unsigned char adate[2]; // Last access date
unsigned char reserved[2]; // reserved values (ignored)
unsigned char time[2]; // time stamp
unsigned char date[2]; // date stamp
unsigned char start[2]; // starting cluster number
unsigned char size[4]; // size of the file
} mpio_dir_entry_t;
typedef struct { // Up to 13 characters of a long name
unsigned char id; // sequence number for slot
unsigned char name0_4[10]; // first 5 characters in name
unsigned char attr; // attribute byte
unsigned char reserved; // always 0
unsigned char alias_checksum; // checksum for 8.3 alias
unsigned char name5_10[12]; // 6 more characters in name
unsigned char start[2]; // starting cluster number
unsigned char name11_12[4]; // last 2 characters in name
} mpio_dir_slot_t;
#endif /* _MPIO_DEFS_H_ */