| /* |
| * Local definitions for the OPL4 driver |
| * |
| * Copyright (c) 2003 by Clemens Ladisch <clemens@ladisch.de> |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions, and the following disclaimer, |
| * without modification. |
| * 2. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * Alternatively, this software may be distributed and/or modified under the |
| * terms of the GNU General Public License as published by the Free Software |
| * Foundation; either version 2 of the License, or (at your option) any later |
| * version. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR |
| * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #ifndef __OPL4_LOCAL_H |
| #define __OPL4_LOCAL_H |
| |
| #include <sound/opl4.h> |
| |
| /* |
| * Register numbers |
| */ |
| |
| #define OPL4_REG_TEST0 0x00 |
| #define OPL4_REG_TEST1 0x01 |
| |
| #define OPL4_REG_MEMORY_CONFIGURATION 0x02 |
| #define OPL4_MODE_BIT 0x01 |
| #define OPL4_MTYPE_BIT 0x02 |
| #define OPL4_TONE_HEADER_MASK 0x1c |
| #define OPL4_DEVICE_ID_MASK 0xe0 |
| |
| #define OPL4_REG_MEMORY_ADDRESS_HIGH 0x03 |
| #define OPL4_REG_MEMORY_ADDRESS_MID 0x04 |
| #define OPL4_REG_MEMORY_ADDRESS_LOW 0x05 |
| #define OPL4_REG_MEMORY_DATA 0x06 |
| |
| /* |
| * Offsets to the register banks for voices. To get the |
| * register number just add the voice number to the bank offset. |
| * |
| * Wave Table Number low bits (0x08 to 0x1F) |
| */ |
| #define OPL4_REG_TONE_NUMBER 0x08 |
| |
| /* Wave Table Number high bit, F-Number low bits (0x20 to 0x37) */ |
| #define OPL4_REG_F_NUMBER 0x20 |
| #define OPL4_TONE_NUMBER_BIT8 0x01 |
| #define OPL4_F_NUMBER_LOW_MASK 0xfe |
| |
| /* F-Number high bits, Octave, Pseudo-Reverb (0x38 to 0x4F) */ |
| #define OPL4_REG_OCTAVE 0x38 |
| #define OPL4_F_NUMBER_HIGH_MASK 0x07 |
| #define OPL4_BLOCK_MASK 0xf0 |
| #define OPL4_PSEUDO_REVERB_BIT 0x08 |
| |
| /* Total Level, Level Direct (0x50 to 0x67) */ |
| #define OPL4_REG_LEVEL 0x50 |
| #define OPL4_TOTAL_LEVEL_MASK 0xfe |
| #define OPL4_LEVEL_DIRECT_BIT 0x01 |
| |
| /* Key On, Damp, LFO RST, CH, Panpot (0x68 to 0x7F) */ |
| #define OPL4_REG_MISC 0x68 |
| #define OPL4_KEY_ON_BIT 0x80 |
| #define OPL4_DAMP_BIT 0x40 |
| #define OPL4_LFO_RESET_BIT 0x20 |
| #define OPL4_OUTPUT_CHANNEL_BIT 0x10 |
| #define OPL4_PAN_POT_MASK 0x0f |
| |
| /* LFO, VIB (0x80 to 0x97) */ |
| #define OPL4_REG_LFO_VIBRATO 0x80 |
| #define OPL4_LFO_FREQUENCY_MASK 0x38 |
| #define OPL4_VIBRATO_DEPTH_MASK 0x07 |
| #define OPL4_CHORUS_SEND_MASK 0xc0 /* ML only */ |
| |
| /* Attack / Decay 1 rate (0x98 to 0xAF) */ |
| #define OPL4_REG_ATTACK_DECAY1 0x98 |
| #define OPL4_ATTACK_RATE_MASK 0xf0 |
| #define OPL4_DECAY1_RATE_MASK 0x0f |
| |
| /* Decay level / 2 rate (0xB0 to 0xC7) */ |
| #define OPL4_REG_LEVEL_DECAY2 0xb0 |
| #define OPL4_DECAY_LEVEL_MASK 0xf0 |
| #define OPL4_DECAY2_RATE_MASK 0x0f |
| |
| /* Release rate / Rate correction (0xC8 to 0xDF) */ |
| #define OPL4_REG_RELEASE_CORRECTION 0xc8 |
| #define OPL4_RELEASE_RATE_MASK 0x0f |
| #define OPL4_RATE_INTERPOLATION_MASK 0xf0 |
| |
| /* AM (0xE0 to 0xF7) */ |
| #define OPL4_REG_TREMOLO 0xe0 |
| #define OPL4_TREMOLO_DEPTH_MASK 0x07 |
| #define OPL4_REVERB_SEND_MASK 0xe0 /* ML only */ |
| |
| /* Mixer */ |
| #define OPL4_REG_MIX_CONTROL_FM 0xf8 |
| #define OPL4_REG_MIX_CONTROL_PCM 0xf9 |
| #define OPL4_MIX_LEFT_MASK 0x07 |
| #define OPL4_MIX_RIGHT_MASK 0x38 |
| |
| #define OPL4_REG_ATC 0xfa |
| #define OPL4_ATC_BIT 0x01 /* ???, ML only */ |
| |
| /* bits in the OPL3 Status register */ |
| #define OPL4_STATUS_BUSY 0x01 |
| #define OPL4_STATUS_LOAD 0x02 |
| |
| |
| #define OPL4_MAX_VOICES 24 |
| |
| #define SNDRV_SEQ_DEV_ID_OPL4 "opl4-synth" |
| |
| |
| struct opl4_sound { |
| u16 tone; |
| s16 pitch_offset; |
| u8 key_scaling; |
| s8 panpot; |
| u8 vibrato; |
| u8 tone_attenuate; |
| u8 volume_factor; |
| u8 reg_lfo_vibrato; |
| u8 reg_attack_decay1; |
| u8 reg_level_decay2; |
| u8 reg_release_correction; |
| u8 reg_tremolo; |
| }; |
| |
| struct opl4_region { |
| u8 key_min, key_max; |
| struct opl4_sound sound; |
| }; |
| |
| struct opl4_region_ptr { |
| int count; |
| const struct opl4_region *regions; |
| }; |
| |
| struct opl4_voice { |
| struct list_head list; |
| int number; |
| struct snd_midi_channel *chan; |
| int note; |
| int velocity; |
| const struct opl4_sound *sound; |
| u8 level_direct; |
| u8 reg_f_number; |
| u8 reg_misc; |
| u8 reg_lfo_vibrato; |
| }; |
| |
| struct snd_opl4 { |
| unsigned long fm_port; |
| unsigned long pcm_port; |
| struct resource *res_fm_port; |
| struct resource *res_pcm_port; |
| unsigned short hardware; |
| spinlock_t reg_lock; |
| struct snd_card *card; |
| |
| #ifdef CONFIG_PROC_FS |
| struct snd_info_entry *proc_entry; |
| int memory_access; |
| #endif |
| struct mutex access_mutex; |
| |
| #if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE) |
| int used; |
| |
| int seq_dev_num; |
| int seq_client; |
| struct snd_seq_device *seq_dev; |
| |
| struct snd_midi_channel_set *chset; |
| struct opl4_voice voices[OPL4_MAX_VOICES]; |
| struct list_head off_voices; |
| struct list_head on_voices; |
| #endif |
| }; |
| |
| /* opl4_lib.c */ |
| void snd_opl4_write(struct snd_opl4 *opl4, u8 reg, u8 value); |
| u8 snd_opl4_read(struct snd_opl4 *opl4, u8 reg); |
| void snd_opl4_read_memory(struct snd_opl4 *opl4, char *buf, int offset, int size); |
| void snd_opl4_write_memory(struct snd_opl4 *opl4, const char *buf, int offset, int size); |
| |
| /* opl4_mixer.c */ |
| int snd_opl4_create_mixer(struct snd_opl4 *opl4); |
| |
| #ifdef CONFIG_PROC_FS |
| /* opl4_proc.c */ |
| int snd_opl4_create_proc(struct snd_opl4 *opl4); |
| void snd_opl4_free_proc(struct snd_opl4 *opl4); |
| #endif |
| |
| /* opl4_seq.c */ |
| extern int volume_boost; |
| |
| /* opl4_synth.c */ |
| void snd_opl4_synth_reset(struct snd_opl4 *opl4); |
| void snd_opl4_synth_shutdown(struct snd_opl4 *opl4); |
| void snd_opl4_note_on(void *p, int note, int vel, struct snd_midi_channel *chan); |
| void snd_opl4_note_off(void *p, int note, int vel, struct snd_midi_channel *chan); |
| void snd_opl4_terminate_note(void *p, int note, struct snd_midi_channel *chan); |
| void snd_opl4_control(void *p, int type, struct snd_midi_channel *chan); |
| void snd_opl4_sysex(void *p, unsigned char *buf, int len, int parsed, struct snd_midi_channel_set *chset); |
| |
| /* yrw801.c */ |
| int snd_yrw801_detect(struct snd_opl4 *opl4); |
| extern const struct opl4_region_ptr snd_yrw801_regions[]; |
| |
| #endif /* __OPL4_LOCAL_H */ |