fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / sound / emux_synth.h
blobd8cb51b86c20c1347e0281a0c45b4c99b4206439
1 #ifndef __SOUND_EMUX_SYNTH_H
2 #define __SOUND_EMUX_SYNTH_H
4 /*
5 * Defines for the Emu-series WaveTable chip
7 * Copyright (C) 2000 Takashi Iwai <tiwai@suse.de>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include "seq_kernel.h"
25 #include "seq_device.h"
26 #include "soundfont.h"
27 #include "seq_midi_emul.h"
28 #ifdef CONFIG_SND_SEQUENCER_OSS
29 #include "seq_oss.h"
30 #endif
31 #include "emux_legacy.h"
32 #include "seq_virmidi.h"
35 * compile flags
37 #define SNDRV_EMUX_USE_RAW_EFFECT
39 struct snd_emux;
40 struct snd_emux_port;
41 struct snd_emux_voice;
42 struct snd_emux_effect_table;
45 * operators
47 struct snd_emux_operators {
48 struct module *owner;
49 struct snd_emux_voice *(*get_voice)(struct snd_emux *emu,
50 struct snd_emux_port *port);
51 int (*prepare)(struct snd_emux_voice *vp);
52 void (*trigger)(struct snd_emux_voice *vp);
53 void (*release)(struct snd_emux_voice *vp);
54 void (*update)(struct snd_emux_voice *vp, int update);
55 void (*terminate)(struct snd_emux_voice *vp);
56 void (*free_voice)(struct snd_emux_voice *vp);
57 void (*reset)(struct snd_emux *emu, int ch);
58 /* the first parameters are struct snd_emux */
59 int (*sample_new)(struct snd_emux *emu, struct snd_sf_sample *sp,
60 struct snd_util_memhdr *hdr,
61 const void __user *data, long count);
62 int (*sample_free)(struct snd_emux *emu, struct snd_sf_sample *sp,
63 struct snd_util_memhdr *hdr);
64 void (*sample_reset)(struct snd_emux *emu);
65 int (*load_fx)(struct snd_emux *emu, int type, int arg,
66 const void __user *data, long count);
67 void (*sysex)(struct snd_emux *emu, char *buf, int len, int parsed,
68 struct snd_midi_channel_set *chset);
69 #ifdef CONFIG_SND_SEQUENCER_OSS
70 int (*oss_ioctl)(struct snd_emux *emu, int cmd, int p1, int p2);
71 #endif
76 * constant values
78 #define SNDRV_EMUX_MAX_PORTS 32 /* max # of sequencer ports */
79 #define SNDRV_EMUX_MAX_VOICES 64 /* max # of voices */
80 #define SNDRV_EMUX_MAX_MULTI_VOICES 16 /* max # of playable voices
81 * simultineously
85 * flags
87 #define SNDRV_EMUX_ACCEPT_ROM (1<<0)
90 * emuX wavetable
92 struct snd_emux {
94 struct snd_card *card; /* assigned card */
96 /* following should be initialized before registration */
97 int max_voices; /* Number of voices */
98 int mem_size; /* memory size (in byte) */
99 int num_ports; /* number of ports to be created */
100 int pitch_shift; /* pitch shift value (for Emu10k1) */
101 struct snd_emux_operators ops; /* operators */
102 void *hw; /* hardware */
103 unsigned long flags; /* other conditions */
104 int midi_ports; /* number of virtual midi devices */
105 int midi_devidx; /* device offset of virtual midi */
106 unsigned int linear_panning: 1; /* panning is linear (sbawe = 1, emu10k1 = 0) */
107 int hwdep_idx; /* hwdep device index */
108 struct snd_hwdep *hwdep; /* hwdep device */
110 /* private */
111 int num_voices; /* current number of voices */
112 struct snd_sf_list *sflist; /* root of SoundFont list */
113 struct snd_emux_voice *voices; /* Voices (EMU 'channel') */
114 int use_time; /* allocation counter */
115 spinlock_t voice_lock; /* Lock for voice access */
116 struct mutex register_mutex;
117 int client; /* For the sequencer client */
118 int ports[SNDRV_EMUX_MAX_PORTS]; /* The ports for this device */
119 struct snd_emux_port *portptrs[SNDRV_EMUX_MAX_PORTS];
120 int used; /* use counter */
121 char *name; /* name of the device (internal) */
122 struct snd_rawmidi **vmidi;
123 struct timer_list tlist; /* for pending note-offs */
124 int timer_active;
126 struct snd_util_memhdr *memhdr; /* memory chunk information */
128 #ifdef CONFIG_PROC_FS
129 struct snd_info_entry *proc;
130 #endif
132 #ifdef CONFIG_SND_SEQUENCER_OSS
133 struct snd_seq_device *oss_synth;
134 #endif
139 * sequencer port information
141 struct snd_emux_port {
143 struct snd_midi_channel_set chset;
144 struct snd_emux *emu;
146 char port_mode; /* operation mode */
147 int volume_atten; /* emuX raw attenuation */
148 unsigned long drum_flags; /* drum bitmaps */
149 int ctrls[EMUX_MD_END]; /* control parameters */
150 #ifdef SNDRV_EMUX_USE_RAW_EFFECT
151 struct snd_emux_effect_table *effect;
152 #endif
153 #ifdef CONFIG_SND_SEQUENCER_OSS
154 struct snd_seq_oss_arg *oss_arg;
155 #endif
158 /* port_mode */
159 #define SNDRV_EMUX_PORT_MODE_MIDI 0 /* normal MIDI port */
160 #define SNDRV_EMUX_PORT_MODE_OSS_SYNTH 1 /* OSS synth port */
161 #define SNDRV_EMUX_PORT_MODE_OSS_MIDI 2 /* OSS multi channel synth port */
164 * A structure to keep track of each hardware voice
166 struct snd_emux_voice {
167 int ch; /* Hardware channel number */
169 int state; /* status */
170 #define SNDRV_EMUX_ST_OFF 0x00 /* Not playing, and inactive */
171 #define SNDRV_EMUX_ST_ON 0x01 /* Note on */
172 #define SNDRV_EMUX_ST_RELEASED (0x02|SNDRV_EMUX_ST_ON) /* Note released */
173 #define SNDRV_EMUX_ST_SUSTAINED (0x04|SNDRV_EMUX_ST_ON) /* Note sustained */
174 #define SNDRV_EMUX_ST_STANDBY (0x08|SNDRV_EMUX_ST_ON) /* Waiting to be triggered */
175 #define SNDRV_EMUX_ST_PENDING (0x10|SNDRV_EMUX_ST_ON) /* Note will be released */
176 #define SNDRV_EMUX_ST_LOCKED 0x100 /* Not accessible */
178 unsigned int time; /* An allocation time */
179 unsigned char note; /* Note currently assigned to this voice */
180 unsigned char key;
181 unsigned char velocity; /* Velocity of current note */
183 struct snd_sf_zone *zone; /* Zone assigned to this note */
184 void *block; /* sample block pointer (optional) */
185 struct snd_midi_channel *chan; /* Midi channel for this note */
186 struct snd_emux_port *port; /* associated port */
187 struct snd_emux *emu; /* assigned root info */
188 void *hw; /* hardware pointer (emu8000 or emu10k1) */
189 unsigned long ontime; /* jiffies at note triggered */
191 /* Emu8k/Emu10k1 registers */
192 struct soundfont_voice_info reg;
194 /* additional registers */
195 int avol; /* volume attenuation */
196 int acutoff; /* cutoff target */
197 int apitch; /* pitch offset */
198 int apan; /* pan/aux pair */
199 int aaux;
200 int ptarget; /* pitch target */
201 int vtarget; /* volume target */
202 int ftarget; /* filter target */
207 * update flags (can be combined)
209 #define SNDRV_EMUX_UPDATE_VOLUME (1<<0)
210 #define SNDRV_EMUX_UPDATE_PITCH (1<<1)
211 #define SNDRV_EMUX_UPDATE_PAN (1<<2)
212 #define SNDRV_EMUX_UPDATE_FMMOD (1<<3)
213 #define SNDRV_EMUX_UPDATE_TREMFREQ (1<<4)
214 #define SNDRV_EMUX_UPDATE_FM2FRQ2 (1<<5)
215 #define SNDRV_EMUX_UPDATE_Q (1<<6)
218 #ifdef SNDRV_EMUX_USE_RAW_EFFECT
220 * effect table
222 struct snd_emux_effect_table {
223 /* Emu8000 specific effects */
224 short val[EMUX_NUM_EFFECTS];
225 unsigned char flag[EMUX_NUM_EFFECTS];
227 #endif /* SNDRV_EMUX_USE_RAW_EFFECT */
231 * prototypes - interface to Emu10k1 and Emu8k routines
233 int snd_emux_new(struct snd_emux **remu);
234 int snd_emux_register(struct snd_emux *emu, struct snd_card *card, int index, char *name);
235 int snd_emux_free(struct snd_emux *emu);
238 * exported functions
240 void snd_emux_terminate_all(struct snd_emux *emu);
241 void snd_emux_lock_voice(struct snd_emux *emu, int voice);
242 void snd_emux_unlock_voice(struct snd_emux *emu, int voice);
244 #endif /* __SOUND_EMUX_SYNTH_H */