started the sound blaster audio driver

[bootcensus] / src / au_sb.h

diff --git a/src/au_sb.h b/src/au_sb.h
new file mode 100644 (file)
index 0000000..9552bcd
--- /dev/null
+++ b/src/au_sb.h
@@ -0,0 +1,31 @@
+/*
+pcboot - bootable PC demo/game kernel
+Copyright (C) 2018  John Tsiombikas <nuclear@member.fsf.org>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY, without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+#ifndef AU_SB_H_
+#define AU_SB_H_
+
+/* returns true (nonzero) if a sound blaster DSP is detected in the ISA bus
+ * and sets the internal base_port so that subsequent calls can find it
+ */
+int sb_detect(void);
+
+/* returns 0 for success, non-zero if the DSP isn't responding at the currently
+ * selected base port
+ */
+int sb_reset_dsp(void);
+
+#endif /* AU_SB_H_ */