| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* speakup_dtlk.h - header file for speakups DoubleTalk driver. */ |
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| 3 | |
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| 4 | #define SYNTH_IO_EXTENT 0x02 |
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| 5 | #define SYNTH_CLEAR 0x18 /* stops speech */ |
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| 6 | /* TTS Port Status Flags */ |
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| 7 | #define TTS_READABLE 0x80 /* mask for bit which is nonzero if a |
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| 8 | * byte can be read from the TTS port |
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| 9 | */ |
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| 10 | #define TTS_SPEAKING 0x40 /* mask for SYNC bit, which is nonzero |
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| 11 | * while DoubleTalk is producing |
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| 12 | * output with TTS, PCM or CVSD |
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| 13 | * synthesizers or tone generators |
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| 14 | * (that is, all but LPC) |
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| 15 | */ |
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| 16 | #define TTS_SPEAKING2 0x20 /* mask for SYNC2 bit, |
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| 17 | * which falls to zero up to 0.4 sec |
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| 18 | * before speech stops |
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| 19 | */ |
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| 20 | #define TTS_WRITABLE 0x10 /* mask for RDY bit, which when set to |
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| 21 | * 1, indicates the TTS port is ready |
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| 22 | * to accept a byte of data. The RDY |
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| 23 | * bit goes zero 2-3 usec after |
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| 24 | * writing, and goes 1 again 180-190 |
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| 25 | * usec later. |
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| 26 | */ |
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| 27 | #define TTS_ALMOST_FULL 0x08 /* mask for AF bit: When set to 1, |
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| 28 | * indicates that less than 300 bytes |
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| 29 | * are available in the TTS input |
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| 30 | * buffer. AF is always 0 in the PCM, |
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| 31 | * TGN and CVSD modes. |
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| 32 | */ |
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| 33 | #define TTS_ALMOST_EMPTY 0x04 /* mask for AE bit: When set to 1, |
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| 34 | * indicates that less than 300 bytes |
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| 35 | * are remaining in DoubleTalk's input |
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| 36 | * (TTS or PCM) buffer. AE is always 1 |
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| 37 | * in the TGN and CVSD modes. |
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| 38 | */ |
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| 39 | |
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| 40 | /* data returned by Interrogate command */ |
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| 41 | struct synth_settings { |
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| 42 | u_short serial_number; /* 0-7Fh:0-7Fh */ |
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| 43 | u_char rom_version[24]; /* null terminated string */ |
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| 44 | u_char mode; /* 0=Character; 1=Phoneme; 2=Text */ |
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| 45 | u_char punc_level; /* nB; 0-7 */ |
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| 46 | u_char formant_freq; /* nF; 0-9 */ |
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| 47 | u_char pitch; /* nP; 0-99 */ |
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| 48 | u_char speed; /* nS; 0-9 */ |
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| 49 | u_char volume; /* nV; 0-9 */ |
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| 50 | u_char tone; /* nX; 0-2 */ |
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| 51 | u_char expression; /* nE; 0-9 */ |
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| 52 | u_char ext_dict_loaded; /* 1=exception dictionary loaded */ |
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| 53 | u_char ext_dict_status; /* 1=exception dictionary enabled */ |
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| 54 | u_char free_ram; /* # pages (truncated) remaining for |
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| 55 | * text buffer |
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| 56 | */ |
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| 57 | u_char articulation; /* nA; 0-9 */ |
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| 58 | u_char reverb; /* nR; 0-9 */ |
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| 59 | u_char eob; /* 7Fh value indicating end of |
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| 60 | * parameter block |
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| 61 | */ |
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| 62 | u_char has_indexing; /* nonzero if indexing is implemented */ |
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| 63 | }; |
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| 64 | |
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