| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | #define DTLK_MINOR 0 |
| 3 | #define DTLK_IO_EXTENT 0x02 |
| 4 | |
| 5 | /* ioctl's use magic number of 0xa3 */ |
| 6 | #define DTLK_INTERROGATE 0xa390 /* get settings from the DoubleTalk */ |
| 7 | #define DTLK_STATUS 0xa391 /* get status from the DoubleTalk */ |
| 8 | |
| 9 | |
| 10 | #define DTLK_CLEAR 0x18 /* stops speech */ |
| 11 | |
| 12 | #define DTLK_MAX_RETRIES (loops_per_jiffy/(10000/HZ)) |
| 13 | |
| 14 | /* TTS Port Status Flags */ |
| 15 | #define TTS_READABLE 0x80 /* mask for bit which is nonzero if a |
| 16 | byte can be read from the TTS port */ |
| 17 | #define TTS_SPEAKING 0x40 /* mask for SYNC bit, which is nonzero |
| 18 | while DoubleTalk is producing |
| 19 | output with TTS, PCM or CVSD |
| 20 | synthesizers or tone generators |
| 21 | (that is, all but LPC) */ |
| 22 | #define TTS_SPEAKING2 0x20 /* mask for SYNC2 bit, |
| 23 | which falls to zero up to 0.4 sec |
| 24 | before speech stops */ |
| 25 | #define TTS_WRITABLE 0x10 /* mask for RDY bit, which when set to |
| 26 | 1, indicates the TTS port is ready |
| 27 | to accept a byte of data. The RDY |
| 28 | bit goes zero 2-3 usec after |
| 29 | writing, and goes 1 again 180-190 |
| 30 | usec later. */ |
| 31 | #define TTS_ALMOST_FULL 0x08 /* mask for AF bit: When set to 1, |
| 32 | indicates that less than 300 free |
| 33 | bytes are available in the TTS |
| 34 | input buffer. AF is always 0 in the |
| 35 | PCM, TGN and CVSD modes. */ |
| 36 | #define TTS_ALMOST_EMPTY 0x04 /* mask for AE bit: When set to 1, |
| 37 | indicates that less than 300 bytes |
| 38 | of data remain in DoubleTalk's |
| 39 | input (TTS or PCM) buffer. AE is |
| 40 | always 1 in the TGN and CVSD |
| 41 | modes. */ |
| 42 | |
| 43 | /* LPC speak commands */ |
| 44 | #define LPC_5220_NORMAL 0x60 /* 5220 format decoding table, normal rate */ |
| 45 | #define LPC_5220_FAST 0x64 /* 5220 format decoding table, fast rate */ |
| 46 | #define LPC_D6_NORMAL 0x20 /* D6 format decoding table, normal rate */ |
| 47 | #define LPC_D6_FAST 0x24 /* D6 format decoding table, fast rate */ |
| 48 | |
| 49 | /* LPC Port Status Flags (valid only after one of the LPC |
| 50 | speak commands) */ |
| 51 | #define LPC_SPEAKING 0x80 /* mask for TS bit: When set to 1, |
| 52 | indicates the LPC synthesizer is |
| 53 | producing speech.*/ |
| 54 | #define LPC_BUFFER_LOW 0x40 /* mask for BL bit: When set to 1, |
| 55 | indicates that the hardware LPC |
| 56 | data buffer has less than 30 bytes |
| 57 | remaining. (Total internal buffer |
| 58 | size = 4096 bytes.) */ |
| 59 | #define LPC_BUFFER_EMPTY 0x20 /* mask for BE bit: When set to 1, |
| 60 | indicates that the LPC data buffer |
| 61 | ran out of data (error condition if |
| 62 | TS is also 1). */ |
| 63 | |
| 64 | /* data returned by Interrogate command */ |
| 65 | struct dtlk_settings |
| 66 | { |
| 67 | unsigned short serial_number; /* 0-7Fh:0-7Fh */ |
| 68 | unsigned char rom_version[24]; /* null terminated string */ |
| 69 | unsigned char mode; /* 0=Character; 1=Phoneme; 2=Text */ |
| 70 | unsigned char punc_level; /* nB; 0-7 */ |
| 71 | unsigned char formant_freq; /* nF; 0-9 */ |
| 72 | unsigned char pitch; /* nP; 0-99 */ |
| 73 | unsigned char speed; /* nS; 0-9 */ |
| 74 | unsigned char volume; /* nV; 0-9 */ |
| 75 | unsigned char tone; /* nX; 0-2 */ |
| 76 | unsigned char expression; /* nE; 0-9 */ |
| 77 | unsigned char ext_dict_loaded; /* 1=exception dictionary loaded */ |
| 78 | unsigned char ext_dict_status; /* 1=exception dictionary enabled */ |
| 79 | unsigned char free_ram; /* # pages (truncated) remaining for |
| 80 | text buffer */ |
| 81 | unsigned char articulation; /* nA; 0-9 */ |
| 82 | unsigned char reverb; /* nR; 0-9 */ |
| 83 | unsigned char eob; /* 7Fh value indicating end of |
| 84 | parameter block */ |
| 85 | unsigned char has_indexing; /* nonzero if indexing is implemented */ |
| 86 | }; |