1 #ifndef __SOUND_EMUX_SYNTH_H 2 #define __SOUND_EMUX_SYNTH_H 3 4 /* 5 * Defines for the Emu-series WaveTable chip 6 * 7 * Copyright (C) 2000 Takashi Iwai <tiwai (at) suse.de> 8 * 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. 13 * 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. 18 * 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 22 */ 23 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" 33 34 /* 35 * compile flags 36 */ 37 #define SNDRV_EMUX_USE_RAW_EFFECT 38 39 struct snd_emux; 40 struct snd_emux_port; 41 struct snd_emux_voice; 42 struct snd_emux_effect_table; 43 44 /* 45 * operators 46 */ 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 72 }; 73 74 75 /* 76 * constant values 77 */ 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 82 */ 83 84 /* 85 * flags 86 */ 87 #define SNDRV_EMUX_ACCEPT_ROM (1<<0) 88 89 /* 90 * emuX wavetable 91 */ 92 struct snd_emux { 93 94 struct snd_card *card; /* assigned card */ 95 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 */ 109 110 /* 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; 125 126 struct snd_util_memhdr *memhdr; /* memory chunk information */ 127 128 #ifdef CONFIG_PROC_FS 129 struct snd_info_entry *proc; 130 #endif 131 132 #ifdef CONFIG_SND_SEQUENCER_OSS 133 struct snd_seq_device *oss_synth; 134 #endif 135 }; 136 137 138 /* 139 * sequencer port information 140 */ 141 struct snd_emux_port { 142 143 struct snd_midi_channel_set chset; 144 struct snd_emux *emu; 145 146 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 156 }; 157 158 /* 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 */ 162 163 /* 164 * A structure to keep track of each hardware voice 165 */ 166 struct snd_emux_voice { 167 int ch; /* Hardware channel number */ 168 169 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 */ 177 178 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 */ 182 183 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 */ 190 191 /* Emu8k/Emu10k1 registers */ 192 struct soundfont_voice_info reg; 193 194 /* 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 */ 203 204 }; 205 206 /* 207 * update flags (can be combined) 208 */ 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) 216 217 218 #ifdef SNDRV_EMUX_USE_RAW_EFFECT 219 /* 220 * effect table 221 */ 222 struct snd_emux_effect_table { 223 /* Emu8000 specific effects */ 224 short val[EMUX_NUM_EFFECTS]; 225 unsigned char flag[EMUX_NUM_EFFECTS]; 226 }; 227 #endif /* SNDRV_EMUX_USE_RAW_EFFECT */ 228 229 230 /* 231 * prototypes - interface to Emu10k1 and Emu8k routines 232 */ 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); 236 237 /* 238 * exported functions 239 */ 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); 243 244 #endif /* __SOUND_EMUX_SYNTH_H */ 245
