rom/filesys/CDVDFS/src/cdrom.h

   1 /* cdrom.h: */
   2
   3 /*
   4  * History:
   5  *
   6  * 06-Mar-09 error     - Removed madness, fixed insanity. Cleanup started
   7  */
   8
   9 #ifndef _CDROM_H_
  10 #define _CDROM_H_
  11
  12 #include <exec/types.h>
  13 #include <exec/memory.h>
  14 #include <exec/io.h>
  15 #include <devices/scsidisk.h>
  16
  17 #include <inttypes.h>
  18
  19 #define VERSION "CDROM-Handler 1.15 (03.11.94)"
  20
  21 #define SCSI_BUFSIZE 2048
  22
  23 #ifndef __packed
  24 #ifdef __GNUC__
  25 #define __packed __attribute__((__packed__))
  26 #else
  27 #define __packed
  28 #endif
  29 #endif
  30
  31 typedef struct CDROM {
  32   struct CDVDBase *global;
  33   unsigned char         *buffer;
  34   unsigned char         **buffers;
  35   unsigned char         *buffer_data;
  36   unsigned char         *buffer_io;
  37   unsigned char         sense[20];
  38   short                 lun;
  39   short                 buffers_cnt;
  40   uint32_t              t_changeint;
  41   uint32_t              t_changeint2;
  42   long                  *current_sectors;
  43   uint32_t              *last_used;
  44   uint32_t              tick;
  45   struct MsgPort        *port;
  46   struct IOStdReq       *scsireq;
  47   struct SCSICmd        cmd;
  48   short                 device_open;
  49   struct IOStdReq *iochangeint;
  50   struct Interrupt changeint;
  51
  52 } CDROM;
  53
  54 typedef struct inquiry_data {
  55   char          peripheral_type;
  56   char          modifier;
  57   char          version;
  58   char          flags1;
  59   char          additional_length;
  60   char          reserved[2];
  61   char          flags2;
  62   char          vendor[8];
  63   char          product[16];
  64   char          revision[4];
  65 } __packed t_inquiry_data;
  66
  67 typedef struct toc_header {
  68   unsigned short length;
  69   unsigned char  first_track;
  70   unsigned char  last_track;
  71 } __packed t_toc_header;
  72
  73 typedef struct toc_data {
  74   char          reserved1;
  75   unsigned char flags;
  76   unsigned char track_number;
  77   char          reserved2;
  78   uint32_t address;
  79 } __packed t_toc_data;
  80
  81 CDROM *Open_CDROM
  82         (
  83                 struct CDVDBase *global,
  84                 char *p_device,
  85                 int p_scsi_id,
  86                 uint32_t p_memory_type,
  87                 int p_std_buffers,
  88                 int p_file_buffers
  89         );
  90
  91 int Read_Chunk(CDROM *p_cd, long p_sector);
  92 void Cleanup_CDROM(CDROM *p_cd);
  93 int Test_Unit_Ready(CDROM *p_cd);
  94 int Mode_Select(CDROM *p_cd, int p_on, int p_block_length);
  95 int Inquire(CDROM *p_cd, t_inquiry_data *p_data);
  96 t_toc_data *Read_TOC
  97         (
  98                 CDROM *p_cd,
  99                 uint32_t *p_toc_len
 100         );
 101 int Has_Audio_Tracks(CDROM *p_cd);
 102 int Data_Tracks(CDROM *p_cd, uint32_t** p_buf);
 103 void block2msf (uint32_t blk, unsigned char *msf);
 104 int Start_Play_Audio(CDROM *p_cd);
 105 int Stop_Play_Audio(CDROM *p_cd);
 106 void Clear_Sector_Buffers (CDROM *p_cd);
 107 int Find_Last_Session(CDROM *p_cd, uint32_t *p_result);
 108
 109 enum {
 110   CDROMERR_OK = 0,      /* no error                     */
 111   CDROMERR_NO_MEMORY,   /* out of memory                */
 112   CDROMERR_MSGPORT,     /* cannot create message port   */
 113   CDROMERR_IOREQ,       /* cannot create I/O request    */
 114   CDROMERR_DEVICE,      /* cannot open scsi device      */
 115   CDROMERR_BLOCKSIZE    /* illegal blocksize            */
 116 };
 117
 118 #endif /* _CDROM_H_ */