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-rw-r--r--include/linux/dtlk.h85
1 files changed, 85 insertions, 0 deletions
diff --git a/include/linux/dtlk.h b/include/linux/dtlk.h
new file mode 100644
index 000000000..22a7b9a5f
--- /dev/null
+++ b/include/linux/dtlk.h
@@ -0,0 +1,85 @@
+#define DTLK_MINOR 0
+#define DTLK_IO_EXTENT 0x02
+
+ /* ioctl's use magic number of 0xa3 */
+#define DTLK_INTERROGATE 0xa390 /* get settings from the DoubleTalk */
+#define DTLK_STATUS 0xa391 /* get status from the DoubleTalk */
+
+
+#define DTLK_CLEAR 0x18 /* stops speech */
+
+#define DTLK_MAX_RETRIES (loops_per_jiffy/(10000/HZ))
+
+ /* TTS Port Status Flags */
+#define TTS_READABLE 0x80 /* mask for bit which is nonzero if a
+ byte can be read from the TTS port */
+#define TTS_SPEAKING 0x40 /* mask for SYNC bit, which is nonzero
+ while DoubleTalk is producing
+ output with TTS, PCM or CVSD
+ synthesizers or tone generators
+ (that is, all but LPC) */
+#define TTS_SPEAKING2 0x20 /* mask for SYNC2 bit,
+ which falls to zero up to 0.4 sec
+ before speech stops */
+#define TTS_WRITABLE 0x10 /* mask for RDY bit, which when set to
+ 1, indicates the TTS port is ready
+ to accept a byte of data. The RDY
+ bit goes zero 2-3 usec after
+ writing, and goes 1 again 180-190
+ usec later. */
+#define TTS_ALMOST_FULL 0x08 /* mask for AF bit: When set to 1,
+ indicates that less than 300 free
+ bytes are available in the TTS
+ input buffer. AF is always 0 in the
+ PCM, TGN and CVSD modes. */
+#define TTS_ALMOST_EMPTY 0x04 /* mask for AE bit: When set to 1,
+ indicates that less than 300 bytes
+ of data remain in DoubleTalk's
+ input (TTS or PCM) buffer. AE is
+ always 1 in the TGN and CVSD
+ modes. */
+
+ /* LPC speak commands */
+#define LPC_5220_NORMAL 0x60 /* 5220 format decoding table, normal rate */
+#define LPC_5220_FAST 0x64 /* 5220 format decoding table, fast rate */
+#define LPC_D6_NORMAL 0x20 /* D6 format decoding table, normal rate */
+#define LPC_D6_FAST 0x24 /* D6 format decoding table, fast rate */
+
+ /* LPC Port Status Flags (valid only after one of the LPC
+ speak commands) */
+#define LPC_SPEAKING 0x80 /* mask for TS bit: When set to 1,
+ indicates the LPC synthesizer is
+ producing speech.*/
+#define LPC_BUFFER_LOW 0x40 /* mask for BL bit: When set to 1,
+ indicates that the hardware LPC
+ data buffer has less than 30 bytes
+ remaining. (Total internal buffer
+ size = 4096 bytes.) */
+#define LPC_BUFFER_EMPTY 0x20 /* mask for BE bit: When set to 1,
+ indicates that the LPC data buffer
+ ran out of data (error condition if
+ TS is also 1). */
+
+ /* data returned by Interrogate command */
+struct dtlk_settings
+{
+ unsigned short serial_number; /* 0-7Fh:0-7Fh */
+ unsigned char rom_version[24]; /* null terminated string */
+ unsigned char mode; /* 0=Character; 1=Phoneme; 2=Text */
+ unsigned char punc_level; /* nB; 0-7 */
+ unsigned char formant_freq; /* nF; 0-9 */
+ unsigned char pitch; /* nP; 0-99 */
+ unsigned char speed; /* nS; 0-9 */
+ unsigned char volume; /* nV; 0-9 */
+ unsigned char tone; /* nX; 0-2 */
+ unsigned char expression; /* nE; 0-9 */
+ unsigned char ext_dict_loaded; /* 1=exception dictionary loaded */
+ unsigned char ext_dict_status; /* 1=exception dictionary enabled */
+ unsigned char free_ram; /* # pages (truncated) remaining for
+ text buffer */
+ unsigned char articulation; /* nA; 0-9 */
+ unsigned char reverb; /* nR; 0-9 */
+ unsigned char eob; /* 7Fh value indicating end of
+ parameter block */
+ unsigned char has_indexing; /* nonzero if indexing is implemented */
+};