root/arch/m68k/atari/atasound.h

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   1 /*
   2  * Minor numbers for the sound driver.
   3  *
   4  * Unfortunately Creative called the codec chip of SB as a DSP. For this
   5  * reason the /dev/dsp is reserved for digitized audio use. There is a
   6  * device for true DSP processors but it will be called something else.
   7  * In v3.0 it's /dev/sndproc but this could be a temporary solution.
   8  */
   9 
  10 #define SND_NDEVS       256     /* Number of supported devices */
  11 #define SND_DEV_CTL     0       /* Control port /dev/mixer */
  12 #define SND_DEV_SEQ     1       /* Sequencer output /dev/sequencer (FM
  13                                    synthesizer and MIDI output) */
  14 #define SND_DEV_MIDIN   2       /* Raw midi access */
  15 #define SND_DEV_DSP     3       /* Digitized voice /dev/dsp */
  16 #define SND_DEV_AUDIO   4       /* Sparc compatible /dev/audio */
  17 #define SND_DEV_DSP16   5       /* Like /dev/dsp but 16 bits/sample */
  18 #define SND_DEV_STATUS  6       /* /dev/sndstat */
  19 /* #7 not in use now. Was in 2.4. Free for use after v3.0. */
  20 #define SND_DEV_SEQ2    8       /* /dev/sequencer, level 2 interface */
  21 #define SND_DEV_SNDPROC 9       /* /dev/sndproc for programmable devices */
  22 #define SND_DEV_PSS     SND_DEV_SNDPROC
  23 
  24 #define DSP_DEFAULT_SPEED       8000
  25 
  26 #define ON              1
  27 #define OFF             0
  28 
  29 #define MAX_AUDIO_DEV   5
  30 #define MAX_MIXER_DEV   2
  31 #define MAX_SYNTH_DEV   3
  32 #define MAX_MIDI_DEV    6
  33 #define MAX_TIMER_DEV   3

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