Initial import

1 files changed, 244 insertions, 0 deletions

diff --git a/include/sound/emux_synth.h b/include/sound/emux_synth.h
new file mode 100644
index 000000000..fb81f3722
--- /dev/null
+++ b/include/sound/emux_synth.h
@@ -0,0 +1,244 @@
+#ifndef __SOUND_EMUX_SYNTH_H
+#define __SOUND_EMUX_SYNTH_H
+
+/*
+ *  Defines for the Emu-series WaveTable chip
+ *
+ *  Copyright (C) 2000 Takashi Iwai <tiwai@suse.de>
+ *
+ *   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <sound/seq_kernel.h>
+#include <sound/seq_device.h>
+#include <sound/soundfont.h>
+#include <sound/seq_midi_emul.h>
+#ifdef CONFIG_SND_SEQUENCER_OSS
+#include <sound/seq_oss.h>
+#endif
+#include <sound/emux_legacy.h>
+#include <sound/seq_virmidi.h>
+
+/*
+ * compile flags
+ */
+#define SNDRV_EMUX_USE_RAW_EFFECT
+
+struct snd_emux;
+struct snd_emux_port;
+struct snd_emux_voice;
+struct snd_emux_effect_table;
+
+/*
+ * operators
+ */
+struct snd_emux_operators {
+	struct module *owner;
+	struct snd_emux_voice *(*get_voice)(struct snd_emux *emu,
+					    struct snd_emux_port *port);
+	int (*prepare)(struct snd_emux_voice *vp);
+	void (*trigger)(struct snd_emux_voice *vp);
+	void (*release)(struct snd_emux_voice *vp);
+	void (*update)(struct snd_emux_voice *vp, int update);
+	void (*terminate)(struct snd_emux_voice *vp);
+	void (*free_voice)(struct snd_emux_voice *vp);
+	void (*reset)(struct snd_emux *emu, int ch);
+	/* the first parameters are struct snd_emux */
+	int (*sample_new)(struct snd_emux *emu, struct snd_sf_sample *sp,
+			  struct snd_util_memhdr *hdr,
+			  const void __user *data, long count);
+	int (*sample_free)(struct snd_emux *emu, struct snd_sf_sample *sp,
+			   struct snd_util_memhdr *hdr);
+	void (*sample_reset)(struct snd_emux *emu);
+	int (*load_fx)(struct snd_emux *emu, int type, int arg,
+		       const void __user *data, long count);
+	void (*sysex)(struct snd_emux *emu, char *buf, int len, int parsed,
+		      struct snd_midi_channel_set *chset);
+#ifdef CONFIG_SND_SEQUENCER_OSS
+	int (*oss_ioctl)(struct snd_emux *emu, int cmd, int p1, int p2);
+#endif
+};
+
+
+/*
+ * constant values
+ */
+#define SNDRV_EMUX_MAX_PORTS		32	/* max # of sequencer ports */
+#define SNDRV_EMUX_MAX_VOICES		64	/* max # of voices */
+#define SNDRV_EMUX_MAX_MULTI_VOICES	16	/* max # of playable voices
+						 * simultineously
+						 */
+
+/*
+ * flags
+ */
+#define SNDRV_EMUX_ACCEPT_ROM		(1<<0)
+
+/*
+ * emuX wavetable
+ */
+struct snd_emux {
+
+	struct snd_card *card;	/* assigned card */
+
+	/* following should be initialized before registration */
+	int max_voices;		/* Number of voices */
+	int mem_size;		/* memory size (in byte) */
+	int num_ports;		/* number of ports to be created */
+	int pitch_shift;	/* pitch shift value (for Emu10k1) */
+	struct snd_emux_operators ops;	/* operators */
+	void *hw;		/* hardware */
+	unsigned long flags;	/* other conditions */
+	int midi_ports;		/* number of virtual midi devices */
+	int midi_devidx;	/* device offset of virtual midi */
+	unsigned int linear_panning: 1; /* panning is linear (sbawe = 1, emu10k1 = 0) */
+	int hwdep_idx;		/* hwdep device index */
+	struct snd_hwdep *hwdep;	/* hwdep device */
+
+	/* private */
+	int num_voices;		/* current number of voices */
+	struct snd_sf_list *sflist;	/* root of SoundFont list */
+	struct snd_emux_voice *voices;	/* Voices (EMU 'channel') */
+	int use_time;	/* allocation counter */
+	spinlock_t voice_lock;	/* Lock for voice access */
+	struct mutex register_mutex;
+	int client;		/* For the sequencer client */
+	int ports[SNDRV_EMUX_MAX_PORTS];	/* The ports for this device */
+	struct snd_emux_port *portptrs[SNDRV_EMUX_MAX_PORTS];
+	int used;	/* use counter */
+	char *name;	/* name of the device (internal) */
+	struct snd_rawmidi **vmidi;
+	struct timer_list tlist;	/* for pending note-offs */
+	int timer_active;
+
+	struct snd_util_memhdr *memhdr;	/* memory chunk information */
+
+#ifdef CONFIG_PROC_FS
+	struct snd_info_entry *proc;
+#endif
+
+#ifdef CONFIG_SND_SEQUENCER_OSS
+	struct snd_seq_device *oss_synth;
+#endif
+};
+
+
+/*
+ * sequencer port information
+ */
+struct snd_emux_port {
+
+	struct snd_midi_channel_set chset;
+	struct snd_emux *emu;
+
+	char port_mode;			/* operation mode */
+	int volume_atten;		/* emuX raw attenuation */
+	unsigned long drum_flags;	/* drum bitmaps */
+	int ctrls[EMUX_MD_END];		/* control parameters */
+#ifdef SNDRV_EMUX_USE_RAW_EFFECT
+	struct snd_emux_effect_table *effect;
+#endif
+#ifdef CONFIG_SND_SEQUENCER_OSS
+	struct snd_seq_oss_arg *oss_arg;
+#endif
+};
+
+/* port_mode */
+#define SNDRV_EMUX_PORT_MODE_MIDI		0	/* normal MIDI port */
+#define SNDRV_EMUX_PORT_MODE_OSS_SYNTH	1	/* OSS synth port */
+#define SNDRV_EMUX_PORT_MODE_OSS_MIDI	2	/* OSS multi channel synth port */
+
+/*
+ * A structure to keep track of each hardware voice
+ */
+struct snd_emux_voice {
+	int  ch;		/* Hardware channel number */
+
+	int  state;		/* status */
+#define SNDRV_EMUX_ST_OFF		0x00	/* Not playing, and inactive */
+#define SNDRV_EMUX_ST_ON		0x01	/* Note on */
+#define SNDRV_EMUX_ST_RELEASED 	(0x02|SNDRV_EMUX_ST_ON)	/* Note released */
+#define SNDRV_EMUX_ST_SUSTAINED	(0x04|SNDRV_EMUX_ST_ON)	/* Note sustained */
+#define SNDRV_EMUX_ST_STANDBY	(0x08|SNDRV_EMUX_ST_ON)	/* Waiting to be triggered */
+#define SNDRV_EMUX_ST_PENDING 	(0x10|SNDRV_EMUX_ST_ON)	/* Note will be released */
+#define SNDRV_EMUX_ST_LOCKED		0x100	/* Not accessible */
+
+	unsigned int  time;	/* An allocation time */
+	unsigned char note;	/* Note currently assigned to this voice */
+	unsigned char key;
+	unsigned char velocity;	/* Velocity of current note */
+
+	struct snd_sf_zone *zone;	/* Zone assigned to this note */
+	void *block;		/* sample block pointer (optional) */
+	struct snd_midi_channel *chan;	/* Midi channel for this note */
+	struct snd_emux_port *port;	/* associated port */
+	struct snd_emux *emu;	/* assigned root info */
+	void *hw;		/* hardware pointer (emu8000 or emu10k1) */
+	unsigned long ontime;	/* jiffies at note triggered */
+	
+	/* Emu8k/Emu10k1 registers */
+	struct soundfont_voice_info reg;
+
+	/* additional registers */
+	int avol;		/* volume attenuation */
+	int acutoff;		/* cutoff target */
+	int apitch;		/* pitch offset */
+	int apan;		/* pan/aux pair */
+	int aaux;
+	int ptarget;		/* pitch target */
+	int vtarget;		/* volume target */
+	int ftarget;		/* filter target */
+
+};
+
+/*
+ * update flags (can be combined)
+ */
+#define SNDRV_EMUX_UPDATE_VOLUME		(1<<0)
+#define SNDRV_EMUX_UPDATE_PITCH		(1<<1)
+#define SNDRV_EMUX_UPDATE_PAN		(1<<2)
+#define SNDRV_EMUX_UPDATE_FMMOD		(1<<3)
+#define SNDRV_EMUX_UPDATE_TREMFREQ	(1<<4)
+#define SNDRV_EMUX_UPDATE_FM2FRQ2		(1<<5)
+#define SNDRV_EMUX_UPDATE_Q		(1<<6)
+
+
+#ifdef SNDRV_EMUX_USE_RAW_EFFECT
+/*
+ * effect table
+ */
+struct snd_emux_effect_table {
+	/* Emu8000 specific effects */
+	short val[EMUX_NUM_EFFECTS];
+	unsigned char flag[EMUX_NUM_EFFECTS];
+};
+#endif /* SNDRV_EMUX_USE_RAW_EFFECT */
+
+
+/*
+ * prototypes - interface to Emu10k1 and Emu8k routines
+ */
+int snd_emux_new(struct snd_emux **remu);
+int snd_emux_register(struct snd_emux *emu, struct snd_card *card, int index, char *name);
+int snd_emux_free(struct snd_emux *emu);
+
+/*
+ * exported functions
+ */
+void snd_emux_terminate_all(struct snd_emux *emu);
+void snd_emux_lock_voice(struct snd_emux *emu, int voice);
+void snd_emux_unlock_voice(struct snd_emux *emu, int voice);
+
+#endif /* __SOUND_EMUX_SYNTH_H */