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-rw-r--r--sound/oss/emu10k1/voicemgr.h103
1 files changed, 103 insertions, 0 deletions
diff --git a/sound/oss/emu10k1/voicemgr.h b/sound/oss/emu10k1/voicemgr.h
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+++ b/sound/oss/emu10k1/voicemgr.h
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+/*
+ **********************************************************************
+ * 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 send_routing;
+ // audigy only:
+ u32 send_routing2;
+
+ u32 send_dcba;
+ // audigy only:
+ u32 send_hgfe;
+
+
+ u32 initial_fc;
+ u32 fc_target;
+
+ u32 initial_attn;
+ u32 volume_target;
+
+ u32 byampl_env_sustain;
+ u32 byampl_env_decay;
+};
+
+struct voice_mem {
+ int emupageindex;
+ void *addr[BUFMAXPAGES];
+ dma_addr_t dma_handle[BUFMAXPAGES];
+ u32 pages;
+};
+
+struct emu_voice
+{
+ struct emu10k1_card *card;
+ u8 usage; /* Free, MIDI, playback */
+ u8 num; /* Voice ID */
+ u8 flags; /* Stereo/mono, 8/16 bit */
+
+ u32 startloop;
+ u32 endloop;
+ u32 start;
+
+ u32 initial_pitch;
+ u32 pitch_target;
+
+ struct voice_param params[2];
+
+ struct voice_mem mem;
+};
+
+int emu10k1_voice_alloc_buffer(struct emu10k1_card *, struct voice_mem *, u32);
+void emu10k1_voice_free_buffer(struct emu10k1_card *, struct voice_mem *);
+int emu10k1_voice_alloc(struct emu10k1_card *, struct emu_voice *);
+void emu10k1_voice_free(struct emu_voice *);
+void emu10k1_voice_playback_setup(struct emu_voice *);
+void emu10k1_voices_start(struct emu_voice *, unsigned int, int);
+void emu10k1_voices_stop(struct emu_voice *, int);
+
+#endif /* _VOICEMGR_H */