2 * Local definitions for the OPL4 driver
4 * Copyright (c) 2003 by Clemens Ladisch <clemens@ladisch.de>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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11 * notice, this list of conditions, and the following disclaimer,
12 * without modification.
13 * 2. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * Alternatively, this software may be distributed and/or modified under the
17 * terms of the GNU General Public License as published by the Free Software
18 * Foundation; either version 2 of the License, or (at your option) any later
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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34 #ifndef __OPL4_LOCAL_H
35 #define __OPL4_LOCAL_H
37 #include <sound/opl4.h>
43 #define OPL4_REG_TEST0 0x00
44 #define OPL4_REG_TEST1 0x01
46 #define OPL4_REG_MEMORY_CONFIGURATION 0x02
47 #define OPL4_MODE_BIT 0x01
48 #define OPL4_MTYPE_BIT 0x02
49 #define OPL4_TONE_HEADER_MASK 0x1c
50 #define OPL4_DEVICE_ID_MASK 0xe0
52 #define OPL4_REG_MEMORY_ADDRESS_HIGH 0x03
53 #define OPL4_REG_MEMORY_ADDRESS_MID 0x04
54 #define OPL4_REG_MEMORY_ADDRESS_LOW 0x05
55 #define OPL4_REG_MEMORY_DATA 0x06
58 * Offsets to the register banks for voices. To get the
59 * register number just add the voice number to the bank offset.
61 * Wave Table Number low bits (0x08 to 0x1F)
63 #define OPL4_REG_TONE_NUMBER 0x08
65 /* Wave Table Number high bit, F-Number low bits (0x20 to 0x37) */
66 #define OPL4_REG_F_NUMBER 0x20
67 #define OPL4_TONE_NUMBER_BIT8 0x01
68 #define OPL4_F_NUMBER_LOW_MASK 0xfe
70 /* F-Number high bits, Octave, Pseudo-Reverb (0x38 to 0x4F) */
71 #define OPL4_REG_OCTAVE 0x38
72 #define OPL4_F_NUMBER_HIGH_MASK 0x07
73 #define OPL4_BLOCK_MASK 0xf0
74 #define OPL4_PSEUDO_REVERB_BIT 0x08
76 /* Total Level, Level Direct (0x50 to 0x67) */
77 #define OPL4_REG_LEVEL 0x50
78 #define OPL4_TOTAL_LEVEL_MASK 0xfe
79 #define OPL4_LEVEL_DIRECT_BIT 0x01
81 /* Key On, Damp, LFO RST, CH, Panpot (0x68 to 0x7F) */
82 #define OPL4_REG_MISC 0x68
83 #define OPL4_KEY_ON_BIT 0x80
84 #define OPL4_DAMP_BIT 0x40
85 #define OPL4_LFO_RESET_BIT 0x20
86 #define OPL4_OUTPUT_CHANNEL_BIT 0x10
87 #define OPL4_PAN_POT_MASK 0x0f
89 /* LFO, VIB (0x80 to 0x97) */
90 #define OPL4_REG_LFO_VIBRATO 0x80
91 #define OPL4_LFO_FREQUENCY_MASK 0x38
92 #define OPL4_VIBRATO_DEPTH_MASK 0x07
93 #define OPL4_CHORUS_SEND_MASK 0xc0 /* ML only */
95 /* Attack / Decay 1 rate (0x98 to 0xAF) */
96 #define OPL4_REG_ATTACK_DECAY1 0x98
97 #define OPL4_ATTACK_RATE_MASK 0xf0
98 #define OPL4_DECAY1_RATE_MASK 0x0f
100 /* Decay level / 2 rate (0xB0 to 0xC7) */
101 #define OPL4_REG_LEVEL_DECAY2 0xb0
102 #define OPL4_DECAY_LEVEL_MASK 0xf0
103 #define OPL4_DECAY2_RATE_MASK 0x0f
105 /* Release rate / Rate correction (0xC8 to 0xDF) */
106 #define OPL4_REG_RELEASE_CORRECTION 0xc8
107 #define OPL4_RELEASE_RATE_MASK 0x0f
108 #define OPL4_RATE_INTERPOLATION_MASK 0xf0
110 /* AM (0xE0 to 0xF7) */
111 #define OPL4_REG_TREMOLO 0xe0
112 #define OPL4_TREMOLO_DEPTH_MASK 0x07
113 #define OPL4_REVERB_SEND_MASK 0xe0 /* ML only */
116 #define OPL4_REG_MIX_CONTROL_FM 0xf8
117 #define OPL4_REG_MIX_CONTROL_PCM 0xf9
118 #define OPL4_MIX_LEFT_MASK 0x07
119 #define OPL4_MIX_RIGHT_MASK 0x38
121 #define OPL4_REG_ATC 0xfa
122 #define OPL4_ATC_BIT 0x01 /* ???, ML only */
124 /* bits in the OPL3 Status register */
125 #define OPL4_STATUS_BUSY 0x01
126 #define OPL4_STATUS_LOAD 0x02
129 #define OPL4_MAX_VOICES 24
131 #define SNDRV_SEQ_DEV_ID_OPL4 "opl4-synth"
134 typedef struct opl4_sound {
143 u8 reg_attack_decay1;
145 u8 reg_release_correction;
149 typedef struct opl4_region {
154 typedef struct opl4_region_ptr {
156 const opl4_region_t *regions;
159 typedef struct opl4_voice {
160 struct list_head list;
162 snd_midi_channel_t *chan;
165 const opl4_sound_t *sound;
173 unsigned long fm_port;
174 unsigned long pcm_port;
175 struct resource *res_fm_port;
176 struct resource *res_pcm_port;
177 unsigned short hardware;
181 #ifdef CONFIG_PROC_FS
182 snd_info_entry_t *proc_entry;
185 struct semaphore access_mutex;
187 #if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE)
192 snd_seq_device_t *seq_dev;
194 snd_midi_channel_set_t *chset;
195 opl4_voice_t voices[OPL4_MAX_VOICES];
196 struct list_head off_voices;
197 struct list_head on_voices;
202 void snd_opl4_write(opl4_t *opl4, u8 reg, u8 value);
203 u8 snd_opl4_read(opl4_t *opl4, u8 reg);
204 void snd_opl4_read_memory(opl4_t *opl4, char *buf, int offset, int size);
205 void snd_opl4_write_memory(opl4_t *opl4, const char *buf, int offset, int size);
208 int snd_opl4_create_mixer(opl4_t *opl4);
210 #ifdef CONFIG_PROC_FS
212 int snd_opl4_create_proc(opl4_t *opl4);
213 void snd_opl4_free_proc(opl4_t *opl4);
217 extern int volume_boost;
220 void snd_opl4_synth_reset(opl4_t *opl4);
221 void snd_opl4_synth_shutdown(opl4_t *opl4);
222 void snd_opl4_note_on(void *p, int note, int vel, snd_midi_channel_t *chan);
223 void snd_opl4_note_off(void *p, int note, int vel, snd_midi_channel_t *chan);
224 void snd_opl4_terminate_note(void *p, int note, snd_midi_channel_t *chan);
225 void snd_opl4_control(void *p, int type, snd_midi_channel_t *chan);
226 void snd_opl4_sysex(void *p, unsigned char *buf, int len, int parsed, snd_midi_channel_set_t *chset);
229 int snd_yrw801_detect(opl4_t *opl4);
230 extern const opl4_region_ptr_t snd_yrw801_regions[];
232 #endif /* __OPL4_LOCAL_H */