1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* speakup_dtlk.h - header file for speakups DoubleTalk driver. */ 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun #define SYNTH_IO_EXTENT 0x02 5*4882a593Smuzhiyun #define SYNTH_CLEAR 0x18 /* stops speech */ 6*4882a593Smuzhiyun /* TTS Port Status Flags */ 7*4882a593Smuzhiyun #define TTS_READABLE 0x80 /* mask for bit which is nonzero if a 8*4882a593Smuzhiyun * byte can be read from the TTS port 9*4882a593Smuzhiyun */ 10*4882a593Smuzhiyun #define TTS_SPEAKING 0x40 /* mask for SYNC bit, which is nonzero 11*4882a593Smuzhiyun * while DoubleTalk is producing 12*4882a593Smuzhiyun * output with TTS, PCM or CVSD 13*4882a593Smuzhiyun * synthesizers or tone generators 14*4882a593Smuzhiyun * (that is, all but LPC) 15*4882a593Smuzhiyun */ 16*4882a593Smuzhiyun #define TTS_SPEAKING2 0x20 /* mask for SYNC2 bit, 17*4882a593Smuzhiyun * which falls to zero up to 0.4 sec 18*4882a593Smuzhiyun * before speech stops 19*4882a593Smuzhiyun */ 20*4882a593Smuzhiyun #define TTS_WRITABLE 0x10 /* mask for RDY bit, which when set to 21*4882a593Smuzhiyun * 1, indicates the TTS port is ready 22*4882a593Smuzhiyun * to accept a byte of data. The RDY 23*4882a593Smuzhiyun * bit goes zero 2-3 usec after 24*4882a593Smuzhiyun * writing, and goes 1 again 180-190 25*4882a593Smuzhiyun * usec later. 26*4882a593Smuzhiyun */ 27*4882a593Smuzhiyun #define TTS_ALMOST_FULL 0x08 /* mask for AF bit: When set to 1, 28*4882a593Smuzhiyun * indicates that less than 300 bytes 29*4882a593Smuzhiyun * are available in the TTS input 30*4882a593Smuzhiyun * buffer. AF is always 0 in the PCM, 31*4882a593Smuzhiyun * TGN and CVSD modes. 32*4882a593Smuzhiyun */ 33*4882a593Smuzhiyun #define TTS_ALMOST_EMPTY 0x04 /* mask for AE bit: When set to 1, 34*4882a593Smuzhiyun * indicates that less than 300 bytes 35*4882a593Smuzhiyun * are remaining in DoubleTalk's input 36*4882a593Smuzhiyun * (TTS or PCM) buffer. AE is always 1 37*4882a593Smuzhiyun * in the TGN and CVSD modes. 38*4882a593Smuzhiyun */ 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun /* data returned by Interrogate command */ 41*4882a593Smuzhiyun struct synth_settings { 42*4882a593Smuzhiyun u_short serial_number; /* 0-7Fh:0-7Fh */ 43*4882a593Smuzhiyun u_char rom_version[24]; /* null terminated string */ 44*4882a593Smuzhiyun u_char mode; /* 0=Character; 1=Phoneme; 2=Text */ 45*4882a593Smuzhiyun u_char punc_level; /* nB; 0-7 */ 46*4882a593Smuzhiyun u_char formant_freq; /* nF; 0-9 */ 47*4882a593Smuzhiyun u_char pitch; /* nP; 0-99 */ 48*4882a593Smuzhiyun u_char speed; /* nS; 0-9 */ 49*4882a593Smuzhiyun u_char volume; /* nV; 0-9 */ 50*4882a593Smuzhiyun u_char tone; /* nX; 0-2 */ 51*4882a593Smuzhiyun u_char expression; /* nE; 0-9 */ 52*4882a593Smuzhiyun u_char ext_dict_loaded; /* 1=exception dictionary loaded */ 53*4882a593Smuzhiyun u_char ext_dict_status; /* 1=exception dictionary enabled */ 54*4882a593Smuzhiyun u_char free_ram; /* # pages (truncated) remaining for 55*4882a593Smuzhiyun * text buffer 56*4882a593Smuzhiyun */ 57*4882a593Smuzhiyun u_char articulation; /* nA; 0-9 */ 58*4882a593Smuzhiyun u_char reverb; /* nR; 0-9 */ 59*4882a593Smuzhiyun u_char eob; /* 7Fh value indicating end of 60*4882a593Smuzhiyun * parameter block 61*4882a593Smuzhiyun */ 62*4882a593Smuzhiyun u_char has_indexing; /* nonzero if indexing is implemented */ 63*4882a593Smuzhiyun }; 64