patch-2.2.17 linux/drivers/sound/emu10k1/voicemgr.h

• Lines: 106
• Date: Mon Sep 4 18:39:21 2000
• Orig file: v2.2.16/drivers/sound/emu10k1/voicemgr.h
• Orig date: Thu Jan 1 01:00:00 1970

diff -u --recursive --new-file v2.2.16/drivers/sound/emu10k1/voicemgr.h linux/drivers/sound/emu10k1/voicemgr.h
@@ -0,0 +1,105 @@
+/*
+ **********************************************************************
+ *     sblive_voice.h -- EMU Voice Resource Manager header file
+ *     Copyright 1999, 2000 Creative Labs, Inc.
+ *
+ **********************************************************************
+ *
+ *     Date                 Author          Summary of changes
+ *     ----                 ------          ------------------
+ *     October 20, 1999     Bertrand Lee    base code release
+ *
+ **********************************************************************
+ *
+ *     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 2 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, write to the Free
+ *     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
+ *     USA.
+ *
+ **********************************************************************
+ */
+
+#ifndef _VOICEMGR_H
+#define _VOICEMGR_H
+
+#include "hwaccess.h"
+
+/* struct emu_voice.usage flags */
+#define VOICE_USAGE_FREE		0x01
+#define VOICE_USAGE_MIDI		0x02
+#define VOICE_USAGE_PLAYBACK		0x04
+
+/* struct emu_voice.flags flags */
+#define VOICE_FLAGS_STEREO		0x02
+#define VOICE_FLAGS_16BIT		0x04
+
+struct voice_param
+{
+	/* FX bus amount send */
+
+	u32 bus_routing;
+
+	u32 send_a;
+	u32 send_b;
+	u32 send_c;
+	u32 send_d;
+
+	u32 initial_fc;
+	u32 fc_target;
+
+	u32 initial_attn;
+	u32 volume_target;
+
+	u32 byampl_env_sustain;
+	u32 byampl_env_decay;
+};
+
+struct voice_allocdesc
+{
+	u8 usage;			/* playback, Midi */
+	u8 flags;			/* stereo/mono rec/playback 8/16 bit*/
+};
+
+struct emu_voice
+{
+	struct emu10k1_card *card;
+	u8 usage;		/* Free, MIDI, playback */
+	u8 num;			/* Voice ID */
+	u8 flags;		/* Stereo/mono, 8/16 bit */
+
+	u32 start;
+        u32 startloop;
+        u32 endloop;
+        u32 end;
+
+	u32 initial_pitch;
+	u32 pitch_target;
+
+	struct voice_param params[2];
+};
+
+struct voice_cntlset
+{
+	u32 paramID;
+	u32 value;
+};
+
+int emu10k1_voice_alloc(struct emu10k1_card *, struct emu_voice *, struct voice_allocdesc *);
+void emu10k1_voice_free(struct emu_voice *);
+void emu10k1_voice_playback_setup(struct emu_voice *);
+void emu10k1_voice_start(struct emu_voice *);
+void emu10k1_voice_stop(struct emu_voice *);
+void emu10k1_voice_setcontrol(struct emu_voice *, struct voice_cntlset *, u32);
+void emu10k1_voice_getcontrol(struct emu_voice *, u32, u32 *);
+
+#endif /* _VOICEMGR_H */