root/include/linux/aztcd.h

/* */

INCLUDED FROM

   1 /* $Id: aztcd.h,v 1.0 1995/03/25 08:27:19 root Exp $
   2  * Definitions for a AztechCD268 CD-ROM interface
   3  *      Copyright (C) 1994, 1995  Werner Zimmermann
   4  *
   5  *      based on Mitsumi CDROM driver by Martin Harriss
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  *
  21  *  History:    W.Zimmermann adaption to Aztech CD268-01A Version 1.3
  22  *              October 1994 Email: zimmerma@rz.fht-esslingen.de
  23  */
  24 
  25 /* *** change this to set the I/O port address */
  26 #define AZT_BASE_ADDR           0x320
  27 
  28 /* Comment this out to prevent tray from locking */
  29 #define AZT_ALLOW_TRAY_LOCK     1
  30 
  31 /* use incompatible ioctls for reading in raw and cooked mode */
  32 #define AZT_PRIVATE_IOCTLS
  33 
  34 /* Increase this if you get lots of timeouts; if you get kernel panic, replace
  35    STEN_LOW_WAIT by STEN_LOW in the source code */
  36 #define AZT_STATUS_DELAY        400       /*for timer wait, STEN_LOW_WAIT*/
  37 #define AZT_TIMEOUT             8000000   /*for busy wait STEN_LOW, DTEN_LOW*/
  38 #define AZT_FAST_TIMEOUT        10000     /*for reading the version string*/
  39 
  40 /* number of times to retry a command before giving up */
  41 #define AZT_RETRY_ATTEMPTS      3
  42 
  43 /* port access macros */
  44 #define CMD_PORT                azt_port
  45 #define DATA_PORT               azt_port
  46 #define STATUS_PORT             azt_port+1
  47 #define MODE_PORT               azt_port+2
  48 
  49 /* status bits */
  50 #define AST_CMD_CHECK           0x80            /* command error */
  51 #define AST_DSK_CHG             0x20            /* disk removed or changed */
  52 #define AST_NOT_READY           0x02            /* no disk in the drive */
  53 #define AST_DOOR_OPEN           0x40            /* door is open */
  54 #define AST_MODE_BITS           0x1C            /* Mode Bits */
  55 #define AST_INITIAL             0x0C            /* initial, only valid ... */
  56 #define AST_BUSY                0x04            /* now playing, only valid
  57                                                    in combination with mode
  58                                                    bits */
  59 /* flag bits */
  60 #define AFL_DATA                0x02            /* data available if low */
  61 #define AFL_STATUS              0x04            /* status available if low */
  62 #define AFL_OP_OK               0x01            /* OP_OK command correct*/
  63 #define AFL_PA_OK               0x02            /* PA_OK parameter correct*/
  64 #define AFL_OP_ERR              0x05            /* error in command*/
  65 #define AFL_PA_ERR              0x06            /* error in parameters*/
  66 #define POLLED                  0x04            /* polled mode */
  67 
  68 /* commands */
  69 #define ACMD_SOFT_RESET         0x10            /* reset drive */
  70 #define ACMD_PLAY_READ          0x20            /* read data track in cooked mode */
  71 #define ACMD_DATA_READ_RAW      0x21            /* reading in raw mode*/
  72 #define ACMD_SEEK_TO_LEADIN     0x31            /* seek to leadin track*/
  73 #define ACMD_GET_ERROR          0x40            /* get error code */
  74 #define ACMD_GET_STATUS         0x41            /* get status */
  75 #define ACMD_GET_Q_CHANNEL      0x50            /* read info from q channel */
  76 #define ACMD_EJECT              0x60            /* eject/open tray */
  77 #define ACMD_CLOSE              0x61            /* close tray */
  78 #define ACMD_LOCK               0x71            /* lock tray closed */
  79 #define ACMD_UNLOCK             0x72            /* unlock tray */
  80 #define ACMD_PAUSE              0x80            /* pause */
  81 #define ACMD_STOP               0x81            /* stop play */
  82 #define ACMD_PLAY_AUDIO         0x90            /* play audio track */
  83 #define ACMD_SET_VOLUME         0x93            /* set audio level */
  84 #define ACMD_GET_VERSION        0xA0            /* get firmware version */
  85 #define ACMD_SET_MODE           0xA1            /* set drive mode */
  86 
  87 #define SET_TIMER(func, jifs) \
  88         delay_timer.expires = jifs; \
  89         delay_timer.function = (void *) func; \
  90         add_timer(&delay_timer);
  91 
  92 #define CLEAR_TIMER             del_timer(&delay_timer)
  93 
  94 #define MAX_TRACKS              104
  95 
  96 struct msf {
  97         unsigned char   min;
  98         unsigned char   sec;
  99         unsigned char   frame;
 100 };
 101 
 102 struct azt_Play_msf {
 103         struct msf      start;
 104         struct msf      end;
 105 };
 106 
 107 struct azt_DiskInfo {
 108         unsigned char   first;
 109         unsigned char   last;
 110         struct msf      diskLength;
 111         struct msf      firstTrack;
 112 };
 113 
 114 struct azt_Toc {
 115         unsigned char   ctrl_addr;
 116         unsigned char   track;
 117         unsigned char   pointIndex;
 118         struct msf      trackTime;
 119         struct msf      diskTime;
 120 };

/* */