/* -*- linux-c -*- */ /* * $Id: defs.h,v 1.8 2002/09/20 20:49:36 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; /* model type */ typedef enum { MPIO_MODEL_DME = 0x00, MPIO_MODEL_DMG = 0x01, MPIO_MODEL_DMG_PLUS = 0x02, MPIO_MODEL_DMB = 0x03, MPIO_MODEL_DMB_PLUS = 0x04, MPIO_MODEL_DMK = 0x05, MPIO_MODEL_UNKNOWN = 0x06 } mpio_model_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, MODIFY_FIRMWARE = 0xa0 } 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_MEMO = 'M', FTYPE_WAV = 'V', 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 /* 0x10 8MB Smartmedia :salmoon */ #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 /* always fixed? :salmoon */ #define OFFSET_MBR 0x40 /* always fixed? :salmoon */ #define INFO_LINE 81 /* error codes */ typedef struct { int id; char *msg; } mpio_error_t; #define MPIO_ERR_FILE_NOT_FOUND -1 #define MPIO_ERR_NOT_ENOUGH_SPACE -2 #define MPIO_ERR_FILE_EXISTS -3 #define MPIO_ERR_FAT_ERROR -4 #define MPIO_ERR_READING_FILE -5 #define MPIO_ERR_PERMISSION_DENIED -6 #define MPIO_ERR_WRITING_FILE -7 /* 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 model[INFO_LINE]; BYTE mem_internal[INFO_LINE]; BYTE 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_model_t model; 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_ */