diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/drivers/opl3/opl3_drums.c')
-rw-r--r-- | ANDROID_3.4.5/sound/drivers/opl3/opl3_drums.c | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/ANDROID_3.4.5/sound/drivers/opl3/opl3_drums.c b/ANDROID_3.4.5/sound/drivers/opl3/opl3_drums.c deleted file mode 100644 index 73694380..00000000 --- a/ANDROID_3.4.5/sound/drivers/opl3/opl3_drums.c +++ /dev/null @@ -1,226 +0,0 @@ -/* - * Copyright (c) by Uros Bizjak <uros@kss-loka.si> - * - * OPL2/OPL3/OPL4 FM routines for internal percussion channels - * - * This program is free software; you can redistribute it and/or modify - * it 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 program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include "opl3_voice.h" - -extern char snd_opl3_regmap[MAX_OPL2_VOICES][4]; - -static char snd_opl3_drum_table[47] = -{ - OPL3_BASSDRUM_ON, OPL3_BASSDRUM_ON, OPL3_HIHAT_ON, /* 35 - 37 */ - OPL3_SNAREDRUM_ON, OPL3_HIHAT_ON, OPL3_SNAREDRUM_ON, /* 38 - 40 */ - OPL3_BASSDRUM_ON, OPL3_HIHAT_ON, OPL3_BASSDRUM_ON, /* 41 - 43 */ - OPL3_HIHAT_ON, OPL3_TOMTOM_ON, OPL3_HIHAT_ON, /* 44 - 46 */ - OPL3_TOMTOM_ON, OPL3_TOMTOM_ON, OPL3_CYMBAL_ON, /* 47 - 49 */ - - OPL3_TOMTOM_ON, OPL3_CYMBAL_ON, OPL3_CYMBAL_ON, /* 50 - 52 */ - OPL3_CYMBAL_ON, OPL3_CYMBAL_ON, OPL3_CYMBAL_ON, /* 53 - 55 */ - OPL3_HIHAT_ON, OPL3_CYMBAL_ON, OPL3_TOMTOM_ON, /* 56 - 58 */ - OPL3_CYMBAL_ON, OPL3_TOMTOM_ON, OPL3_TOMTOM_ON, /* 59 - 61 */ - OPL3_HIHAT_ON, OPL3_TOMTOM_ON, OPL3_TOMTOM_ON, /* 62 - 64 */ - - OPL3_TOMTOM_ON, OPL3_TOMTOM_ON, OPL3_TOMTOM_ON, /* 65 - 67 */ - OPL3_TOMTOM_ON, OPL3_HIHAT_ON, OPL3_HIHAT_ON, /* 68 - 70 */ - OPL3_HIHAT_ON, OPL3_HIHAT_ON, OPL3_TOMTOM_ON, /* 71 - 73 */ - OPL3_TOMTOM_ON, OPL3_TOMTOM_ON, OPL3_TOMTOM_ON, /* 74 - 76 */ - OPL3_TOMTOM_ON, OPL3_TOMTOM_ON, OPL3_TOMTOM_ON, /* 77 - 79 */ - OPL3_CYMBAL_ON, OPL3_CYMBAL_ON /* 80 - 81 */ -}; - -struct snd_opl3_drum_voice { - int voice; - int op; - unsigned char am_vib; - unsigned char ksl_level; - unsigned char attack_decay; - unsigned char sustain_release; - unsigned char feedback_connection; - unsigned char wave_select; -}; - -struct snd_opl3_drum_note { - int voice; - unsigned char fnum; - unsigned char octave_f; - unsigned char feedback_connection; -}; - -static struct snd_opl3_drum_voice bass_op0 = {6, 0, 0x00, 0x32, 0xf8, 0x66, 0x30, 0x00}; -static struct snd_opl3_drum_voice bass_op1 = {6, 1, 0x00, 0x03, 0xf6, 0x57, 0x30, 0x00}; -static struct snd_opl3_drum_note bass_note = {6, 0x90, 0x09}; - -static struct snd_opl3_drum_voice hihat = {7, 0, 0x00, 0x03, 0xf0, 0x06, 0x20, 0x00}; - -static struct snd_opl3_drum_voice snare = {7, 1, 0x00, 0x03, 0xf0, 0x07, 0x20, 0x02}; -static struct snd_opl3_drum_note snare_note = {7, 0xf4, 0x0d}; - -static struct snd_opl3_drum_voice tomtom = {8, 0, 0x02, 0x03, 0xf0, 0x06, 0x10, 0x00}; -static struct snd_opl3_drum_note tomtom_note = {8, 0xf4, 0x09}; - -static struct snd_opl3_drum_voice cymbal = {8, 1, 0x04, 0x03, 0xf0, 0x06, 0x10, 0x00}; - -/* - * set drum voice characteristics - */ -static void snd_opl3_drum_voice_set(struct snd_opl3 *opl3, - struct snd_opl3_drum_voice *data) -{ - unsigned char op_offset = snd_opl3_regmap[data->voice][data->op]; - unsigned char voice_offset = data->voice; - unsigned short opl3_reg; - - /* Set OPL3 AM_VIB register */ - opl3_reg = OPL3_LEFT | (OPL3_REG_AM_VIB + op_offset); - opl3->command(opl3, opl3_reg, data->am_vib); - - /* Set OPL3 KSL_LEVEL register */ - opl3_reg = OPL3_LEFT | (OPL3_REG_KSL_LEVEL + op_offset); - opl3->command(opl3, opl3_reg, data->ksl_level); - - /* Set OPL3 ATTACK_DECAY register */ - opl3_reg = OPL3_LEFT | (OPL3_REG_ATTACK_DECAY + op_offset); - opl3->command(opl3, opl3_reg, data->attack_decay); - - /* Set OPL3 SUSTAIN_RELEASE register */ - opl3_reg = OPL3_LEFT | (OPL3_REG_SUSTAIN_RELEASE + op_offset); - opl3->command(opl3, opl3_reg, data->sustain_release); - - /* Set OPL3 FEEDBACK_CONNECTION register */ - opl3_reg = OPL3_LEFT | (OPL3_REG_FEEDBACK_CONNECTION + voice_offset); - opl3->command(opl3, opl3_reg, data->feedback_connection); - - /* Select waveform */ - opl3_reg = OPL3_LEFT | (OPL3_REG_WAVE_SELECT + op_offset); - opl3->command(opl3, opl3_reg, data->wave_select); -} - -/* - * Set drum voice pitch - */ -static void snd_opl3_drum_note_set(struct snd_opl3 *opl3, - struct snd_opl3_drum_note *data) -{ - unsigned char voice_offset = data->voice; - unsigned short opl3_reg; - - /* Set OPL3 FNUM_LOW register */ - opl3_reg = OPL3_LEFT | (OPL3_REG_FNUM_LOW + voice_offset); - opl3->command(opl3, opl3_reg, data->fnum); - - /* Set OPL3 KEYON_BLOCK register */ - opl3_reg = OPL3_LEFT | (OPL3_REG_KEYON_BLOCK + voice_offset); - opl3->command(opl3, opl3_reg, data->octave_f); -} - -/* - * Set drum voice volume and position - */ -static void snd_opl3_drum_vol_set(struct snd_opl3 *opl3, - struct snd_opl3_drum_voice *data, - int vel, struct snd_midi_channel *chan) -{ - unsigned char op_offset = snd_opl3_regmap[data->voice][data->op]; - unsigned char voice_offset = data->voice; - unsigned char reg_val; - unsigned short opl3_reg; - - /* Set OPL3 KSL_LEVEL register */ - reg_val = data->ksl_level; - snd_opl3_calc_volume(®_val, vel, chan); - opl3_reg = OPL3_LEFT | (OPL3_REG_KSL_LEVEL + op_offset); - opl3->command(opl3, opl3_reg, reg_val); - - /* Set OPL3 FEEDBACK_CONNECTION register */ - /* Set output voice connection */ - reg_val = data->feedback_connection | OPL3_STEREO_BITS; - if (chan->gm_pan < 43) - reg_val &= ~OPL3_VOICE_TO_RIGHT; - if (chan->gm_pan > 85) - reg_val &= ~OPL3_VOICE_TO_LEFT; - opl3_reg = OPL3_LEFT | (OPL3_REG_FEEDBACK_CONNECTION + voice_offset); - opl3->command(opl3, opl3_reg, reg_val); -} - -/* - * Loads drum voices at init time - */ -void snd_opl3_load_drums(struct snd_opl3 *opl3) -{ - snd_opl3_drum_voice_set(opl3, &bass_op0); - snd_opl3_drum_voice_set(opl3, &bass_op1); - snd_opl3_drum_note_set(opl3, &bass_note); - - snd_opl3_drum_voice_set(opl3, &hihat); - - snd_opl3_drum_voice_set(opl3, &snare); - snd_opl3_drum_note_set(opl3, &snare_note); - - snd_opl3_drum_voice_set(opl3, &tomtom); - snd_opl3_drum_note_set(opl3, &tomtom_note); - - snd_opl3_drum_voice_set(opl3, &cymbal); -} - -/* - * Switch drum voice on or off - */ -void snd_opl3_drum_switch(struct snd_opl3 *opl3, int note, int vel, int on_off, - struct snd_midi_channel *chan) -{ - unsigned char drum_mask; - struct snd_opl3_drum_voice *drum_voice; - - if (!(opl3->drum_reg & OPL3_PERCUSSION_ENABLE)) - return; - - if ((note < 35) || (note > 81)) - return; - drum_mask = snd_opl3_drum_table[note - 35]; - - if (on_off) { - switch (drum_mask) { - case OPL3_BASSDRUM_ON: - drum_voice = &bass_op1; - break; - case OPL3_HIHAT_ON: - drum_voice = &hihat; - break; - case OPL3_SNAREDRUM_ON: - drum_voice = &snare; - break; - case OPL3_TOMTOM_ON: - drum_voice = &tomtom; - break; - case OPL3_CYMBAL_ON: - drum_voice = &cymbal; - break; - default: - drum_voice = &tomtom; - } - - snd_opl3_drum_vol_set(opl3, drum_voice, vel, chan); - opl3->drum_reg |= drum_mask; - } else { - opl3->drum_reg &= ~drum_mask; - } - opl3->command(opl3, OPL3_LEFT | OPL3_REG_PERCUSSION, - opl3->drum_reg); -} |