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86 lines
3.5 KiB
86 lines
3.5 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#define DTLK_MINOR 0 |
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#define DTLK_IO_EXTENT 0x02 |
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/* ioctl's use magic number of 0xa3 */ |
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#define DTLK_INTERROGATE 0xa390 /* get settings from the DoubleTalk */ |
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#define DTLK_STATUS 0xa391 /* get status from the DoubleTalk */ |
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#define DTLK_CLEAR 0x18 /* stops speech */ |
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#define DTLK_MAX_RETRIES (loops_per_jiffy/(10000/HZ)) |
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/* TTS Port Status Flags */ |
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#define TTS_READABLE 0x80 /* mask for bit which is nonzero if a |
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byte can be read from the TTS port */ |
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#define TTS_SPEAKING 0x40 /* mask for SYNC bit, which is nonzero |
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while DoubleTalk is producing |
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output with TTS, PCM or CVSD |
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synthesizers or tone generators |
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(that is, all but LPC) */ |
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#define TTS_SPEAKING2 0x20 /* mask for SYNC2 bit, |
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which falls to zero up to 0.4 sec |
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before speech stops */ |
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#define TTS_WRITABLE 0x10 /* mask for RDY bit, which when set to |
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1, indicates the TTS port is ready |
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to accept a byte of data. The RDY |
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bit goes zero 2-3 usec after |
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writing, and goes 1 again 180-190 |
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usec later. */ |
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#define TTS_ALMOST_FULL 0x08 /* mask for AF bit: When set to 1, |
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indicates that less than 300 free |
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bytes are available in the TTS |
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input buffer. AF is always 0 in the |
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PCM, TGN and CVSD modes. */ |
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#define TTS_ALMOST_EMPTY 0x04 /* mask for AE bit: When set to 1, |
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indicates that less than 300 bytes |
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of data remain in DoubleTalk's |
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input (TTS or PCM) buffer. AE is |
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always 1 in the TGN and CVSD |
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modes. */ |
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/* LPC speak commands */ |
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#define LPC_5220_NORMAL 0x60 /* 5220 format decoding table, normal rate */ |
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#define LPC_5220_FAST 0x64 /* 5220 format decoding table, fast rate */ |
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#define LPC_D6_NORMAL 0x20 /* D6 format decoding table, normal rate */ |
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#define LPC_D6_FAST 0x24 /* D6 format decoding table, fast rate */ |
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/* LPC Port Status Flags (valid only after one of the LPC |
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speak commands) */ |
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#define LPC_SPEAKING 0x80 /* mask for TS bit: When set to 1, |
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indicates the LPC synthesizer is |
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producing speech.*/ |
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#define LPC_BUFFER_LOW 0x40 /* mask for BL bit: When set to 1, |
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indicates that the hardware LPC |
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data buffer has less than 30 bytes |
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remaining. (Total internal buffer |
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size = 4096 bytes.) */ |
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#define LPC_BUFFER_EMPTY 0x20 /* mask for BE bit: When set to 1, |
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indicates that the LPC data buffer |
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ran out of data (error condition if |
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TS is also 1). */ |
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/* data returned by Interrogate command */ |
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struct dtlk_settings |
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{ |
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unsigned short serial_number; /* 0-7Fh:0-7Fh */ |
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unsigned char rom_version[24]; /* null terminated string */ |
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unsigned char mode; /* 0=Character; 1=Phoneme; 2=Text */ |
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unsigned char punc_level; /* nB; 0-7 */ |
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unsigned char formant_freq; /* nF; 0-9 */ |
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unsigned char pitch; /* nP; 0-99 */ |
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unsigned char speed; /* nS; 0-9 */ |
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unsigned char volume; /* nV; 0-9 */ |
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unsigned char tone; /* nX; 0-2 */ |
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unsigned char expression; /* nE; 0-9 */ |
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unsigned char ext_dict_loaded; /* 1=exception dictionary loaded */ |
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unsigned char ext_dict_status; /* 1=exception dictionary enabled */ |
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unsigned char free_ram; /* # pages (truncated) remaining for |
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text buffer */ |
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unsigned char articulation; /* nA; 0-9 */ |
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unsigned char reverb; /* nR; 0-9 */ |
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unsigned char eob; /* 7Fh value indicating end of |
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parameter block */ |
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unsigned char has_indexing; /* nonzero if indexing is implemented */ |
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};
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