include/linux/mcdx.h

/* */
   1 /*
   2  * Definitions for the Mitsumi CDROM interface
   3  * Copyright (C) 1995 Heiko Schlittermann
   4  * VERSION: 1.0a
   5  * 
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2, or (at your option)
   9  * any later version.
  10  * 
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  * 
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; see the file COPYING.  If not, write to
  18  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  19  *
  20  * Thanks to
  21  *  The Linux Community at all and ...
  22  *  Martin Harris (he wrote the first Mitsumi Driver)
  23  *  Eberhard Moenkeberg (he gave me much support and the initial kick)
  24  *  Bernd Huebner, Ruediger Helsch (Unifix-Software Gmbh, they
  25  *      improved the original driver)
  26  *  Jon Tombs, Bjorn Ekwall (module support)
  27  *  Daniel v. Mosnenck (he sent me the Technical and Programming Reference)
  28  *  Gerd Knorr (he lent me his PhotoCD)
  29  *  Nils Faerber and Roger E. Wolff (extensivly tested the LU portion)
  30  *  ... somebody forgotten?
  31  *  
  32  */
  33 
  34 /*
  35  *      The following lines are for user configuration
  36  *      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  37  *
  38  *      {0|1} -- 1 if you want the driver detect your drive, may crash and
  39  *      needs a long time to seek.  The higher the address the longer the
  40  *      seek.
  41  *
  42  *  WARNING: AUTOPROBE doesn't work.
  43  */
  44 #define MCDX_AUTOPROBE 0
  45 
  46 /*
  47  *      Drive specific settings according to the jumpers on the controller
  48  *      board(s).
  49  *      o       MCDX_NDRIVES  :  number of used entries of the following table
  50  *      o       MCDX_DRIVEMAP :  table of {i/o base, irq} per controller
  51  *
  52  *      NOTE: I didn't get a drive at irq 9(2) working.  Not even alone.
  53  */
  54 #if MCDX_AUTOPROBE == 0
  55         #define MCDX_NDRIVES 1
  56         #define MCDX_DRIVEMAP {         \
  57                         {0x300, 11},    \
  58                         {0x304, 05},    \
  59                         {0x000, 00},    \
  60                         {0x000, 00},    \
  61                         {0x000, 00},    \
  62                 }
  63 #else
  64         #error Autoprobing is not implemented yet.
  65 #endif
  66 
  67 #ifndef MCDX_QUIET
  68 #define MCDX_QUIET   1
  69 #endif
  70 
  71 #ifndef MCDX_DEBUG
  72 #define MCDX_DEBUG   0
  73 #endif
  74 
  75 /* *** make the following line uncommented, if you're sure,
  76  * *** all configuration is done */
  77 /* #define I_WAS_HERE */
  78 
  79 /*      The name of the device */
  80 #define MCDX "mcdx"     
  81 
  82 #if MCDX_QUIET == 1
  83 #define INFO(x)
  84 #else
  85 #define INFO(x) warn x
  86 #endif
  87 
  88 #define WARN(x) warn x
  89 
  90 #if MCDX_DEBUG == 1
  91 #define TRACE(x) trace x
  92 #define INIT            0
  93 #define MALLOC          0
  94 #define IOCTL           0
  95 #define OPENCLOSE       0
  96 #define HW                  0
  97 #define TALK            0
  98 #define IRQ             0
  99 #define TRANSFER        0
 100 #define REQUEST         0
 101 #else
 102 #define TRACE(x)
 103 #endif
 104 
 105 /*      The following addresses are taken from the Mitsumi Reference 
 106  *  and describe the possible i/o range for the controller.
 107  */
 108 #define MCDX_IO_BEGIN   ((char*) 0x300) /* first base of i/o addr */
 109 #define MCDX_IO_END             ((char*) 0x3fc) /* last base of i/o addr */
 110 
 111 /*      Per controller 4 bytes i/o are needed. */
 112 #define MCDX_IO_SIZE            4
 113 
 114 /*
 115  *      The Ports & bits
 116  */
 117 
 118 #define MCDX_RBIT_OPEN       0x80
 119 #define MCDX_RBIT_DISKSET    0x40
 120 #define MCDX_RBIT_CHANGED    0x20
 121 #define MCDX_RBIT_CHECK      0x10
 122 #define MCDX_RBIT_AUDIOTR    0x08
 123 #define MCDX_RBIT_RDERR      0x04
 124 #define MCDX_RBIT_AUDIOBS    0x02
 125 #define MCDX_RBIT_CMDERR     0x01
 126 #define MCDX_RBIT_DOOR       0x10
 127 #define MCDX_RBIT_STEN       0x04
 128 #define MCDX_RBIT_DTEN       0x02
 129 
 130 
 131 /*
 132  *      The commands.
 133  */
 134 
 135 #define OPCODE  1               /* offset of opcode */
 136 #define MCDX_CMD_REQUEST_TOC            1, 0x10
 137 #define MCDX_CMD_REQUEST_STATUS         1, 0x40 
 138 #define MCDX_CMD_RESET                          1, 0x60
 139 #define MCDX_CMD_REQUEST_DRIVE_MODE     1, 0xc2
 140 #define MCDX_CMD_SET_INTERLEAVE         2, 0xc8, 0
 141 #define MCDX_CMD_DATAMODE_SET           2, 0xa0, 0
 142         #define MCDX_DATAMODE1          0x01
 143         #define MCDX_DATAMODE2          0x02
 144 #define MCDX_CMD_LOCK_DOOR              2, 0xfe, 0
 145 
 146 #define READ_AHEAD                      4       /* 8 Sectors (4K) */
 147 
 148 /*      Useful macros */
 149 #define e_door(x)               ((x) & MCDX_RBIT_OPEN)
 150 #define e_check(x)              (~(x) & MCDX_RBIT_CHECK)
 151 #define e_notset(x)             (~(x) & MCDX_RBIT_DISKSET)
 152 #define e_changed(x)    ((x) & MCDX_RBIT_CHANGED)
 153 #define e_audio(x)              ((x) & MCDX_RBIT_AUDIOTR)
 154 #define e_audiobusy(x)  ((x) & MCDX_RBIT_AUDIOBS)
 155 #define e_cmderr(x)             ((x) & MCDX_RBIT_CMDERR)
 156 #define e_readerr(x)    ((x) & MCDX_RBIT_RDERR)
 157 
 158 /**     no drive specific */
 159 #define MCDX_CDBLK      2048    /* 2048 cooked data each blk */
 160 
 161 #define MCDX_DATA_TIMEOUT       (HZ/10) /* 0.1 second */
 162 
 163 /*
 164  * Access to the msf array
 165  */
 166 #define MSF_MIN         0                       /* minute */
 167 #define MSF_SEC         1                       /* second */
 168 #define MSF_FRM         2                       /* frame  */
 169 
 170 /*
 171  * Errors
 172  */
 173 #define MCDX_E          1                       /* unspec error */
 174 #define MCDX_EOM        2                       /* end of media */
 175 
 176 #if 0
 177 #ifndef I_WAS_HERE
 178 #error Please edit this file first.
 179 #endif
 180 #endif
/* */
root/include/linux/mcdx.h

INCLUDED FROM
