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-rw-r--r--opl/opl_internal.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/opl/opl_internal.h b/opl/opl_internal.h
index 7c1e8854..cd125122 100644
--- a/opl/opl_internal.h
+++ b/opl/opl_internal.h
@@ -33,6 +33,11 @@ typedef int (*opl_init_func)(unsigned int port_base);
typedef void (*opl_shutdown_func)(void);
typedef unsigned int (*opl_read_port_func)(opl_port_t port);
typedef void (*opl_write_port_func)(opl_port_t port, unsigned int value);
+typedef void (*opl_set_callback_func)(unsigned int ms,
+ opl_callback_t callback,
+ void *data);
+typedef void (*opl_lock_func)(void);
+typedef void (*opl_unlock_func)(void);
typedef struct
{
@@ -42,6 +47,9 @@ typedef struct
opl_shutdown_func shutdown_func;
opl_read_port_func read_port_func;
opl_write_port_func write_port_func;
+ opl_set_callback_func set_callback_func;
+ opl_lock_func lock_func;
+ opl_unlock_func unlock_func;
} opl_driver_t;
#endif /* #ifndef OPL_INTERNAL_H */