1 files changed, 72 insertions, 0 deletions

diff --git a/private/inc/synth.h b/private/inc/synth.h
new file mode 100644
index 000000000..473966499
--- /dev/null
+++ b/private/inc/synth.h
@@ -0,0 +1,72 @@
+/*++ BUILD Version: 0001    // Increment this if a change has global effects
+
+
+Copyright (c) 1992  Microsoft Corporation
+
+Module Name:
+
+    synth.h
+
+Abstract:
+
+    This include file defines constants and types for
+    the Microsoft midi synthesizer driver
+
+    This header file is shared between the low level driver and the
+    kernel mode driver.
+
+Author:
+
+    Robin Speed (RobinSp) 20-Oct-92
+
+Revision History:
+
+--*/
+
+#define STR_DRIVERNAME L"synth"
+#define STR_MV_DRIVERNAME L"mvopl3"
+#define STR_OPL3_DEVICENAME L"\\Device\\opl3.mid"
+#define STR_ADLIB_DEVICENAME L"\\Device\\adlib.mid"
+
+/*
+ *  Stucture for passing synth data
+ *  Why on earth isn't there a type for sharing short data?
+ */
+
+ typedef struct {
+     unsigned short IoPort;
+     unsigned short PortData;
+ } SYNTH_DATA, *PSYNTH_DATA;
+
+/* positions within FM */
+#define AD_LSI                          (0x000)
+#define AD_LSI2                         (0x101)
+#define AD_TIMER1                       (0x001)
+#define AD_TIMER2                       (0x002)
+#define AD_MASK                         (0x004)
+#define AD_CONNECTION                   (0x104)
+#define AD_NEW                          (0x105)
+#define AD_NTS                          (0x008)
+#define AD_MULT                         (0x020)
+#define AD_MULT2                        (0x120)
+#define AD_LEVEL                        (0x040)
+#define AD_LEVEL2                       (0x140)
+#define AD_AD                           (0x060)
+#define AD_AD2                          (0x160)
+#define AD_SR                           (0x080)
+#define AD_SR2                          (0x180)
+#define AD_FNUMBER                      (0x0a0)
+#define AD_FNUMBER2                     (0x1a0)
+#define AD_BLOCK                        (0x0b0)
+#define AD_BLOCK2                       (0x1b0)
+#define AD_DRUM                         (0x0bd)
+#define AD_FEEDBACK                     (0x0c0)
+#define AD_FEEDBACK2                    (0x1c0)
+#define AD_WAVE                         (0x0e0)
+#define AD_WAVE2                        (0x1e0)
+
+/*
+**  Special IOCTL
+*/
+
+#define IOCTL_MIDI_SET_OPL3_MODE CTL_CODE(IOCTL_SOUND_BASE, IOCTL_MIDI_BASE + 0x000A, METHOD_BUFFERED, FILE_WRITE_ACCESS)