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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 */ |