summaryrefslogtreecommitdiffstats
path: root/include/sound/ainstr_gf1.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/sound/ainstr_gf1.h')
-rw-r--r--include/sound/ainstr_gf1.h225
1 files changed, 225 insertions, 0 deletions
diff --git a/include/sound/ainstr_gf1.h b/include/sound/ainstr_gf1.h
new file mode 100644
index 0000000..ae2ddda
--- /dev/null
+++ b/include/sound/ainstr_gf1.h
@@ -0,0 +1,225 @@
+/*
+ * Advanced Linux Sound Architecture
+ *
+ * GF1 (GUS) Patch Instrument Format
+ * Copyright (c) 1994-99 by Jaroslav Kysela <perex@suse.cz>
+ *
+ *
+ * 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
+ *
+ */
+
+#ifndef __SOUND_AINSTR_GF1_H
+#define __SOUND_AINSTR_GF1_H
+
+#ifndef __KERNEL__
+#include <asm/types.h>
+#include <asm/byteorder.h>
+#endif
+
+/*
+ * share types (share ID 1)
+ */
+
+#define GF1_SHARE_FILE 0
+
+/*
+ * wave formats
+ */
+
+#define GF1_WAVE_16BIT 0x0001 /* 16-bit wave */
+#define GF1_WAVE_UNSIGNED 0x0002 /* unsigned wave */
+#define GF1_WAVE_INVERT 0x0002 /* same as unsigned wave */
+#define GF1_WAVE_BACKWARD 0x0004 /* backward mode (maybe used for reverb or ping-ping loop) */
+#define GF1_WAVE_LOOP 0x0008 /* loop mode */
+#define GF1_WAVE_BIDIR 0x0010 /* bidirectional mode */
+#define GF1_WAVE_STEREO 0x0100 /* stereo mode */
+#define GF1_WAVE_ULAW 0x0200 /* uLaw compression mode */
+
+/*
+ * Wavetable definitions
+ */
+
+typedef struct gf1_wave {
+ unsigned int share_id[4]; /* share id - zero = no sharing */
+ unsigned int format; /* wave format */
+
+ struct {
+ unsigned int number; /* some other ID for this instrument */
+ unsigned int memory; /* begin of waveform in onboard memory */
+ unsigned char *ptr; /* pointer to waveform in system memory */
+ } address;
+
+ unsigned int size; /* size of waveform in samples */
+ unsigned int start; /* start offset in samples * 16 (lowest 4 bits - fraction) */
+ unsigned int loop_start; /* bits loop start offset in samples * 16 (lowest 4 bits - fraction) */
+ unsigned int loop_end; /* loop start offset in samples * 16 (lowest 4 bits - fraction) */
+ unsigned short loop_repeat; /* loop repeat - 0 = forever */
+
+ unsigned char flags; /* GF1 patch flags */
+ unsigned char pad;
+ unsigned int sample_rate; /* sample rate in Hz */
+ unsigned int low_frequency; /* low frequency range */
+ unsigned int high_frequency; /* high frequency range */
+ unsigned int root_frequency; /* root frequency range */
+ signed short tune;
+ unsigned char balance;
+ unsigned char envelope_rate[6];
+ unsigned char envelope_offset[6];
+ unsigned char tremolo_sweep;
+ unsigned char tremolo_rate;
+ unsigned char tremolo_depth;
+ unsigned char vibrato_sweep;
+ unsigned char vibrato_rate;
+ unsigned char vibrato_depth;
+ unsigned short scale_frequency;
+ unsigned short scale_factor; /* 0-2048 or 0-2 */
+
+ struct gf1_wave *next;
+} gf1_wave_t;
+
+/*
+ * Instrument
+ */
+
+#define IWFFFF_EXCLUDE_NONE 0x0000 /* exclusion mode - none */
+#define IWFFFF_EXCLUDE_SINGLE 0x0001 /* exclude single - single note from the instrument group */
+#define IWFFFF_EXCLUDE_MULTIPLE 0x0002 /* exclude multiple - stop only same note from this instrument */
+
+#define IWFFFF_EFFECT_NONE 0
+#define IWFFFF_EFFECT_REVERB 1
+#define IWFFFF_EFFECT_CHORUS 2
+#define IWFFFF_EFFECT_ECHO 3
+
+typedef struct {
+ unsigned short exclusion;
+ unsigned short exclusion_group; /* 0 - none, 1-65535 */
+
+ unsigned char effect1; /* effect 1 */
+ unsigned char effect1_depth; /* 0-127 */
+ unsigned char effect2; /* effect 2 */
+ unsigned char effect2_depth; /* 0-127 */
+
+ gf1_wave_t *wave; /* first waveform */
+} gf1_instrument_t;
+
+/*
+ *
+ * Kernel <-> user space
+ * Hardware (CPU) independent section
+ *
+ * * = zero or more
+ * + = one or more
+ *
+ * gf1_xinstrument IWFFFF_STRU_INSTR
+ * +gf1_xwave IWFFFF_STRU_WAVE
+ *
+ */
+
+#define GF1_STRU_WAVE __cpu_to_be32(('W'<<24)|('A'<<16)|('V'<<8)|'E')
+#define GF1_STRU_INSTR __cpu_to_be32(('I'<<24)|('N'<<16)|('S'<<8)|'T')
+
+/*
+ * Wavetable definitions
+ */
+
+typedef struct gf1_xwave {
+ __u32 stype; /* structure type */
+
+ __u32 share_id[4]; /* share id - zero = no sharing */
+ __u32 format; /* wave format */
+
+ __u32 size; /* size of waveform in samples */
+ __u32 start; /* start offset in samples * 16 (lowest 4 bits - fraction) */
+ __u32 loop_start; /* bits loop start offset in samples * 16 (lowest 4 bits - fraction) */
+ __u32 loop_end; /* loop start offset in samples * 16 (lowest 4 bits - fraction) */
+ __u16 loop_repeat; /* loop repeat - 0 = forever */
+
+ __u8 flags; /* GF1 patch flags */
+ __u8 pad;
+ __u32 sample_rate; /* sample rate in Hz */
+ __u32 low_frequency; /* low frequency range */
+ __u32 high_frequency; /* high frequency range */
+ __u32 root_frequency; /* root frequency range */
+ __s16 tune;
+ __u8 balance;
+ __u8 envelope_rate[6];
+ __u8 envelope_offset[6];
+ __u8 tremolo_sweep;
+ __u8 tremolo_rate;
+ __u8 tremolo_depth;
+ __u8 vibrato_sweep;
+ __u8 vibrato_rate;
+ __u8 vibrato_depth;
+ __u16 scale_frequency;
+ __u16 scale_factor; /* 0-2048 or 0-2 */
+} gf1_xwave_t;
+
+/*
+ * Instrument
+ */
+
+typedef struct gf1_xinstrument {
+ __u32 stype;
+
+ __u16 exclusion;
+ __u16 exclusion_group; /* 0 - none, 1-65535 */
+
+ __u8 effect1; /* effect 1 */
+ __u8 effect1_depth; /* 0-127 */
+ __u8 effect2; /* effect 2 */
+ __u8 effect2_depth; /* 0-127 */
+} gf1_xinstrument_t;
+
+/*
+ * Instrument info
+ */
+
+#define GF1_INFO_ENVELOPE (1<<0)
+#define GF1_INFO_TREMOLO (1<<1)
+#define GF1_INFO_VIBRATO (1<<2)
+
+typedef struct gf1_info {
+ unsigned char flags; /* supported wave flags */
+ unsigned char pad[3];
+ unsigned int features; /* supported features */
+ unsigned int max8_len; /* maximum 8-bit wave length */
+ unsigned int max16_len; /* maximum 16-bit wave length */
+} gf1_info_t;
+
+#ifdef __KERNEL__
+
+#include "seq_instr.h"
+
+typedef struct {
+ void *private_data;
+ int (*info)(void *private_data, gf1_info_t *info);
+ int (*put_sample)(void *private_data, gf1_wave_t *wave,
+ char __user *data, long len, int atomic);
+ int (*get_sample)(void *private_data, gf1_wave_t *wave,
+ char __user *data, long len, int atomic);
+ int (*remove_sample)(void *private_data, gf1_wave_t *wave,
+ int atomic);
+ void (*notify)(void *private_data, snd_seq_kinstr_t *instr, int what);
+ snd_seq_kinstr_ops_t kops;
+} snd_gf1_ops_t;
+
+int snd_seq_gf1_init(snd_gf1_ops_t *ops,
+ void *private_data,
+ snd_seq_kinstr_ops_t *next);
+
+#endif
+
+#endif /* __SOUND_AINSTR_GF1_H */
OpenPOWER on IntegriCloud