summaryrefslogtreecommitdiff
path: root/arch/m68k/atari/atasound.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m68k/atari/atasound.h')
-rw-r--r--arch/m68k/atari/atasound.h33
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 00000000000..1362762b8c0
--- /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