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Diffstat (limited to 'arch/m68k/atari/atasound.h')
| -rw-r--r-- | arch/m68k/atari/atasound.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/m68k/atari/atasound.h b/arch/m68k/atari/atasound.h new file mode 100644 index 0000000..1362762 --- /dev/null +++ b/arch/m68k/atari/atasound.h @@ -0,0 +1,33 @@ +/* + * Minor numbers for the sound driver. + * + * Unfortunately Creative called the codec chip of SB as a DSP. For this + * reason the /dev/dsp is reserved for digitized audio use. There is a + * device for true DSP processors but it will be called something else. + * In v3.0 it's /dev/sndproc but this could be a temporary solution. + */ + +#define SND_NDEVS 256 /* Number of supported devices */ +#define SND_DEV_CTL 0 /* Control port /dev/mixer */ +#define SND_DEV_SEQ 1 /* Sequencer output /dev/sequencer (FM + synthesizer and MIDI output) */ +#define SND_DEV_MIDIN 2 /* Raw midi access */ +#define SND_DEV_DSP 3 /* Digitized voice /dev/dsp */ +#define SND_DEV_AUDIO 4 /* Sparc compatible /dev/audio */ +#define SND_DEV_DSP16 5 /* Like /dev/dsp but 16 bits/sample */ +#define SND_DEV_STATUS 6 /* /dev/sndstat */ +/* #7 not in use now. Was in 2.4. Free for use after v3.0. */ +#define SND_DEV_SEQ2 8 /* /dev/sequencer, level 2 interface */ +#define SND_DEV_SNDPROC 9 /* /dev/sndproc for programmable devices */ +#define SND_DEV_PSS SND_DEV_SNDPROC + +#define DSP_DEFAULT_SPEED 8000 + +#define ON 1 +#define OFF 0 + +#define MAX_AUDIO_DEV 5 +#define MAX_MIXER_DEV 2 +#define MAX_SYNTH_DEV 3 +#define MAX_MIDI_DEV 6 +#define MAX_TIMER_DEV 3 |
