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