include/linux/dtlk.h

   1 #if 0
   2
   3 #define TRACE_TXT(text) \
   4         { \
   5           if(dtlk_trace) \
   6           { \
   7             console_print(text); \
   8             console_print("\n"); \
   9           } \
  10         }
  11
  12 #define TRACE_CHR(chr) \
  13         { \
  14           if(dtlk_trace) \
  15             console_print(chr); \
  16         } \
  17
  18 #endif
  19
  20 #define DTLK_MINOR      0
  21 #define DTLK_IO_EXTENT  0x02
  22
  23         /* ioctl's use magic number of 0xa3 */
  24 #define DTLK_INTERROGATE 0xa390 /* get settings from the DoubleTalk */
  25 #define DTLK_STATUS 0xa391      /* get status from the DoubleTalk */
  26
  27
  28 #define DTLK_CLEAR 0x18         /* stops speech */
  29
  30 #define DTLK_MAX_RETRIES (loops_per_jiffy/(10000/HZ))
  31
  32         /* TTS Port Status Flags */
  33 #define TTS_READABLE     0x80   /* mask for bit which is nonzero if a
  34                                    byte can be read from the TTS port */
  35 #define TTS_SPEAKING     0x40   /* mask for SYNC bit, which is nonzero
  36                                    while DoubleTalk is producing
  37                                    output with TTS, PCM or CVSD
  38                                    synthesizers or tone generators
  39                                    (that is, all but LPC) */
  40 #define TTS_SPEAKING2    0x20   /* mask for SYNC2 bit,
  41                                    which falls to zero up to 0.4 sec
  42                                    before speech stops */
  43 #define TTS_WRITABLE     0x10   /* mask for RDY bit, which when set to
  44                                    1, indicates the TTS port is ready
  45                                    to accept a byte of data.  The RDY
  46                                    bit goes zero 2-3 usec after
  47                                    writing, and goes 1 again 180-190
  48                                    usec later. */
  49 #define TTS_ALMOST_FULL  0x08   /* mask for AF bit: When set to 1,
  50                                    indicates that less than 300 free
  51                                    bytes are available in the TTS
  52                                    input buffer. AF is always 0 in the
  53                                    PCM, TGN and CVSD modes. */
  54 #define TTS_ALMOST_EMPTY 0x04   /* mask for AE bit: When set to 1,
  55                                    indicates that less than 300 bytes
  56                                    of data remain in DoubleTalk's
  57                                    input (TTS or PCM) buffer. AE is
  58                                    always 1 in the TGN and CVSD
  59                                    modes. */
  60
  61         /* LPC speak commands */
  62 #define LPC_5220_NORMAL 0x60    /* 5220 format decoding table, normal rate */
  63 #define LPC_5220_FAST 0x64      /* 5220 format decoding table, fast rate */
  64 #define LPC_D6_NORMAL 0x20      /* D6 format decoding table, normal rate */
  65 #define LPC_D6_FAST 0x24        /* D6 format decoding table, fast rate */
  66
  67         /* LPC Port Status Flags (valid only after one of the LPC
  68            speak commands) */
  69 #define LPC_SPEAKING     0x80   /* mask for TS bit: When set to 1,
  70                                    indicates the LPC synthesizer is
  71                                    producing speech.*/
  72 #define LPC_BUFFER_LOW   0x40   /* mask for BL bit: When set to 1,
  73                                    indicates that the hardware LPC
  74                                    data buffer has less than 30 bytes
  75                                    remaining. (Total internal buffer
  76                                    size = 4096 bytes.) */
  77 #define LPC_BUFFER_EMPTY 0x20   /* mask for BE bit: When set to 1,
  78                                    indicates that the LPC data buffer
  79                                    ran out of data (error condition if
  80                                    TS is also 1).  */
  81
  82                                 /* data returned by Interrogate command */
  83 struct dtlk_settings
  84 {
  85   unsigned short serial_number; /* 0-7Fh:0-7Fh */
  86   unsigned char rom_version[24]; /* null terminated string */
  87   unsigned char mode;           /* 0=Character; 1=Phoneme; 2=Text */
  88   unsigned char punc_level;     /* nB; 0-7 */
  89   unsigned char formant_freq;   /* nF; 0-9 */
  90   unsigned char pitch;          /* nP; 0-99 */
  91   unsigned char speed;          /* nS; 0-9 */
  92   unsigned char volume;         /* nV; 0-9 */
  93   unsigned char tone;           /* nX; 0-2 */
  94   unsigned char expression;     /* nE; 0-9 */
  95   unsigned char ext_dict_loaded; /* 1=exception dictionary loaded */
  96   unsigned char ext_dict_status; /* 1=exception dictionary enabled */
  97   unsigned char free_ram;       /* # pages (truncated) remaining for
  98                                    text buffer */
  99   unsigned char articulation;   /* nA; 0-9 */
 100   unsigned char reverb;         /* nR; 0-9 */
 101   unsigned char eob;            /* 7Fh value indicating end of
 102                                    parameter block */
 103   unsigned char has_indexing;   /* nonzero if indexing is implemented */
 104 };