zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/include/sound/emux_synth.h b/ap/os/linux/linux-3.4.x/include/sound/emux_synth.h
new file mode 100644
index 0000000..d8cb51b
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/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 "seq_kernel.h"
+#include "seq_device.h"
+#include "soundfont.h"
+#include "seq_midi_emul.h"
+#ifdef CONFIG_SND_SEQUENCER_OSS
+#include "seq_oss.h"
+#endif
+#include "emux_legacy.h"
+#include "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 */