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@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 40 /* 41 * typedefs 42 */ 43 typedef struct snd_emux_effect_table snd_emux_effect_table_t; 44 typedef struct snd_emux_port snd_emux_port_t; 45 typedef struct snd_emux_voice snd_emux_voice_t; 46 typedef struct snd_emux snd_emux_t; 47 48 49 /* 50 * operators 51 */ 52 typedef struct snd_emux_operators { 53 struct module *owner; 54 snd_emux_voice_t *(*get_voice)(snd_emux_t *emu, snd_emux_port_t *port); 55 int (*prepare)(snd_emux_voice_t *vp); 56 void (*trigger)(snd_emux_voice_t *vp); 57 void (*release)(snd_emux_voice_t *vp); 58 void (*update)(snd_emux_voice_t *vp, int update); 59 void (*terminate)(snd_emux_voice_t *vp); 60 void (*free_voice)(snd_emux_voice_t *vp); 61 void (*reset)(snd_emux_t *emu, int ch); 62 /* the first parameters are snd_emux_t */ 63 int (*sample_new)(snd_emux_t *emu, snd_sf_sample_t *sp, snd_util_memhdr_t *hdr, const void __user *data, long count); 64 int (*sample_free)(snd_emux_t *emu, snd_sf_sample_t *sp, snd_util_memhdr_t *hdr); 65 void (*sample_reset)(snd_emux_t *emu); 66 int (*load_fx)(snd_emux_t *emu, int type, int arg, const void __user *data, long count); 67 void (*sysex)(snd_emux_t *emu, char *buf, int len, int parsed, snd_midi_channel_set_t *chset); 68 #ifdef CONFIG_SND_SEQUENCER_OSS 69 int (*oss_ioctl)(snd_emux_t *emu, int cmd, int p1, int p2); 70 #endif 71 } snd_emux_operators_t; 72 73 74 /* 75 * constant values 76 */ 77 #define SNDRV_EMUX_MAX_PORTS 32 /* max # of sequencer ports */ 78 #define SNDRV_EMUX_MAX_VOICES 64 /* max # of voices */ 79 #define SNDRV_EMUX_MAX_MULTI_VOICES 16 /* max # of playable voices 80 * simultineously 81 */ 82 83 /* 84 * flags 85 */ 86 #define SNDRV_EMUX_ACCEPT_ROM (1<<0) 87 88 /* 89 * emuX wavetable 90 */ 91 struct snd_emux { 92 93 snd_card_t *card; /* assigned card */ 94 95 /* following should be initialized before registration */ 96 int max_voices; /* Number of voices */ 97 int mem_size; /* memory size (in byte) */ 98 int num_ports; /* number of ports to be created */ 99 int pitch_shift; /* pitch shift value (for Emu10k1) */ 100 snd_emux_operators_t ops; /* operators */ 101 void *hw; /* hardware */ 102 unsigned long flags; /* other conditions */ 103 int midi_ports; /* number of virtual midi devices */ 104 int midi_devidx; /* device offset of virtual midi */ 105 unsigned int linear_panning: 1; /* panning is linear (sbawe = 1, emu10k1 = 0) */ 106 int hwdep_idx; /* hwdep device index */ 107 snd_hwdep_t *hwdep; /* hwdep device */ 108 109 /* private */ 110 int num_voices; /* current number of voices */ 111 snd_sf_list_t *sflist; /* root of SoundFont list */ 112 snd_emux_voice_t *voices; /* Voices (EMU 'channel') */ 113 int use_time; /* allocation counter */ 114 spinlock_t voice_lock; /* Lock for voice access */ 115 struct semaphore register_mutex; 116 int client; /* For the sequencer client */ 117 int ports[SNDRV_EMUX_MAX_PORTS]; /* The ports for this device */ 118 snd_emux_port_t *portptrs[SNDRV_EMUX_MAX_PORTS]; 119 int used; /* use counter */ 120 char *name; /* name of the device (internal) */ 121 snd_rawmidi_t **vmidi; 122 struct timer_list tlist; /* for pending note-offs */ 123 int timer_active; 124 125 snd_util_memhdr_t *memhdr; /* memory chunk information */ 126 127 #ifdef CONFIG_PROC_FS 128 snd_info_entry_t *proc; 129 #endif 130 131 #ifdef CONFIG_SND_SEQUENCER_OSS 132 snd_seq_device_t *oss_synth; 133 #endif 134 }; 135 136 137 /* 138 * sequencer port information 139 */ 140 struct snd_emux_port { 141 142 snd_midi_channel_set_t chset; 143 snd_emux_t *emu; 144 145 char port_mode; /* operation mode */ 146 int volume_atten; /* emuX raw attenuation */ 147 unsigned long drum_flags; /* drum bitmaps */ 148 int ctrls[EMUX_MD_END]; /* control parameters */ 149 #ifdef SNDRV_EMUX_USE_RAW_EFFECT 150 snd_emux_effect_table_t *effect; 151 #endif 152 #ifdef CONFIG_SND_SEQUENCER_OSS 153 snd_seq_oss_arg_t *oss_arg; 154 #endif 155 }; 156 157 /* port_mode */ 158 #define SNDRV_EMUX_PORT_MODE_MIDI 0 /* normal MIDI port */ 159 #define SNDRV_EMUX_PORT_MODE_OSS_SYNTH 1 /* OSS synth port */ 160 #define SNDRV_EMUX_PORT_MODE_OSS_MIDI 2 /* OSS multi channel synth port */ 161 162 /* 163 * A structure to keep track of each hardware voice 164 */ 165 struct snd_emux_voice { 166 int ch; /* Hardware channel number */ 167 168 int state; /* status */ 169 #define SNDRV_EMUX_ST_OFF 0x00 /* Not playing, and inactive */ 170 #define SNDRV_EMUX_ST_ON 0x01 /* Note on */ 171 #define SNDRV_EMUX_ST_RELEASED (0x02|SNDRV_EMUX_ST_ON) /* Note released */ 172 #define SNDRV_EMUX_ST_SUSTAINED (0x04|SNDRV_EMUX_ST_ON) /* Note sustained */ 173 #define SNDRV_EMUX_ST_STANDBY (0x08|SNDRV_EMUX_ST_ON) /* Waiting to be triggered */ 174 #define SNDRV_EMUX_ST_PENDING (0x10|SNDRV_EMUX_ST_ON) /* Note will be released */ 175 #define SNDRV_EMUX_ST_LOCKED 0x100 /* Not accessible */ 176 177 unsigned int time; /* An allocation time */ 178 unsigned char note; /* Note currently assigned to this voice */ 179 unsigned char key; 180 unsigned char velocity; /* Velocity of current note */ 181 182 snd_sf_zone_t *zone; /* Zone assigned to this note */ 183 void *block; /* sample block pointer (optional) */ 184 snd_midi_channel_t *chan; /* Midi channel for this note */ 185 snd_emux_port_t *port; /* associated port */ 186 snd_emux_t *emu; /* assigned root info */ 187 void *hw; /* hardware pointer (emu8000_t or emu10k1_t) */ 188 unsigned long ontime; /* jiffies at note triggered */ 189 190 /* Emu8k/Emu10k1 registers */ 191 soundfont_voice_info_t reg; 192 193 /* additional registers */ 194 int avol; /* volume attenuation */ 195 int acutoff; /* cutoff target */ 196 int apitch; /* pitch offset */ 197 int apan; /* pan/aux pair */ 198 int aaux; 199 int ptarget; /* pitch target */ 200 int vtarget; /* volume target */ 201 int ftarget; /* filter target */ 202 203 }; 204 205 /* 206 * update flags (can be combined) 207 */ 208 #define SNDRV_EMUX_UPDATE_VOLUME (1<<0) 209 #define SNDRV_EMUX_UPDATE_PITCH (1<<1) 210 #define SNDRV_EMUX_UPDATE_PAN (1<<2) 211 #define SNDRV_EMUX_UPDATE_FMMOD (1<<3) 212 #define SNDRV_EMUX_UPDATE_TREMFREQ (1<<4) 213 #define SNDRV_EMUX_UPDATE_FM2FRQ2 (1<<5) 214 #define SNDRV_EMUX_UPDATE_Q (1<<6) 215 216 217 #ifdef SNDRV_EMUX_USE_RAW_EFFECT 218 /* 219 * effect table 220 */ 221 struct snd_emux_effect_table { 222 /* Emu8000 specific effects */ 223 short val[EMUX_NUM_EFFECTS]; 224 unsigned char flag[EMUX_NUM_EFFECTS]; 225 }; 226 #endif /* SNDRV_EMUX_USE_RAW_EFFECT */ 227 228 229 /* 230 * prototypes - interface to Emu10k1 and Emu8k routines 231 */ 232 int snd_emux_new(snd_emux_t **remu); 233 int snd_emux_register(snd_emux_t *emu, snd_card_t *card, int index, char *name); 234 int snd_emux_free(snd_emux_t *emu); 235 236 /* 237 * exported functions 238 */ 239 void snd_emux_terminate_all(snd_emux_t *emu); 240 void snd_emux_lock_voice(snd_emux_t *emu, int voice); 241 void snd_emux_unlock_voice(snd_emux_t *emu, int voice); 242 243 #endif /* __SOUND_EMUX_SYNTH_H */ 244