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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 <sound/seq_kernel.h> |
25 | #include <sound/seq_device.h> |
26 | #include <sound/soundfont.h> |
27 | #include <sound/seq_midi_emul.h> |
28 | #ifdef CONFIG_SND_SEQUENCER_OSS |
29 | #include <sound/seq_oss.h> |
30 | #endif |
31 | #include <sound/emux_legacy.h> |
32 | #include <sound/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 |
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