Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 | #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 /* * typedefs */ typedef struct snd_emux_effect_table snd_emux_effect_table_t; typedef struct snd_emux_port snd_emux_port_t; typedef struct snd_emux_voice snd_emux_voice_t; typedef struct snd_emux snd_emux_t; /* * operators */ typedef struct snd_emux_operators { struct module *owner; snd_emux_voice_t *(*get_voice)(snd_emux_t *emu, snd_emux_port_t *port); int (*prepare)(snd_emux_voice_t *vp); void (*trigger)(snd_emux_voice_t *vp); void (*release)(snd_emux_voice_t *vp); void (*update)(snd_emux_voice_t *vp, int update); void (*terminate)(snd_emux_voice_t *vp); void (*free_voice)(snd_emux_voice_t *vp); void (*reset)(snd_emux_t *emu, int ch); /* the first parameters are snd_emux_t */ int (*sample_new)(snd_emux_t *emu, snd_sf_sample_t *sp, snd_util_memhdr_t *hdr, const void __user *data, long count); int (*sample_free)(snd_emux_t *emu, snd_sf_sample_t *sp, snd_util_memhdr_t *hdr); void (*sample_reset)(snd_emux_t *emu); int (*load_fx)(snd_emux_t *emu, int type, int arg, const void __user *data, long count); void (*sysex)(snd_emux_t *emu, char *buf, int len, int parsed, snd_midi_channel_set_t *chset); #ifdef CONFIG_SND_SEQUENCER_OSS int (*oss_ioctl)(snd_emux_t *emu, int cmd, int p1, int p2); #endif } snd_emux_operators_t; /* * 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 { snd_card_t *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) */ snd_emux_operators_t 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 */ snd_hwdep_t *hwdep; /* hwdep device */ /* private */ int num_voices; /* current number of voices */ snd_sf_list_t *sflist; /* root of SoundFont list */ snd_emux_voice_t *voices; /* Voices (EMU 'channel') */ int use_time; /* allocation counter */ spinlock_t voice_lock; /* Lock for voice access */ struct semaphore register_mutex; int client; /* For the sequencer client */ int ports[SNDRV_EMUX_MAX_PORTS]; /* The ports for this device */ snd_emux_port_t *portptrs[SNDRV_EMUX_MAX_PORTS]; int used; /* use counter */ char *name; /* name of the device (internal) */ snd_rawmidi_t **vmidi; struct timer_list tlist; /* for pending note-offs */ int timer_active; snd_util_memhdr_t *memhdr; /* memory chunk information */ #ifdef CONFIG_PROC_FS snd_info_entry_t *proc; #endif #ifdef CONFIG_SND_SEQUENCER_OSS snd_seq_device_t *oss_synth; #endif }; /* * sequencer port information */ struct snd_emux_port { snd_midi_channel_set_t chset; snd_emux_t *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 snd_emux_effect_table_t *effect; #endif #ifdef CONFIG_SND_SEQUENCER_OSS snd_seq_oss_arg_t *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 */ snd_sf_zone_t *zone; /* Zone assigned to this note */ void *block; /* sample block pointer (optional) */ snd_midi_channel_t *chan; /* Midi channel for this note */ snd_emux_port_t *port; /* associated port */ snd_emux_t *emu; /* assigned root info */ void *hw; /* hardware pointer (emu8000_t or emu10k1_t) */ unsigned long ontime; /* jiffies at note triggered */ /* Emu8k/Emu10k1 registers */ soundfont_voice_info_t 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(snd_emux_t **remu); int snd_emux_register(snd_emux_t *emu, snd_card_t *card, int index, char *name); int snd_emux_free(snd_emux_t *emu); /* * exported functions */ void snd_emux_terminate_all(snd_emux_t *emu); void snd_emux_lock_voice(snd_emux_t *emu, int voice); void snd_emux_unlock_voice(snd_emux_t *emu, int voice); #endif /* __SOUND_EMUX_SYNTH_H */ |