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Diffstat (limited to 'libmpio/defs.h')
-rw-r--r-- | libmpio/defs.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/libmpio/defs.h b/libmpio/defs.h new file mode 100644 index 0000000..8498f22 --- /dev/null +++ b/libmpio/defs.h @@ -0,0 +1,192 @@ +/* -*- linux-c -*- */ + +/* + * $Id: defs.h,v 1.1 2002/08/28 16:10:51 salmoon 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; + +/* 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_ */ + |