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https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-10-31 08:08:51 +01:00
Fixed MTP to work with TWRP
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awab228
commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
226
sound/drivers/opl3/opl3_drums.c
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226
sound/drivers/opl3/opl3_drums.c
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/*
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* Copyright (c) by Uros Bizjak <uros@kss-loka.si>
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*
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* OPL2/OPL3/OPL4 FM routines for internal percussion channels
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "opl3_voice.h"
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extern char snd_opl3_regmap[MAX_OPL2_VOICES][4];
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static char snd_opl3_drum_table[47] =
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{
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OPL3_BASSDRUM_ON, OPL3_BASSDRUM_ON, OPL3_HIHAT_ON, /* 35 - 37 */
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OPL3_SNAREDRUM_ON, OPL3_HIHAT_ON, OPL3_SNAREDRUM_ON, /* 38 - 40 */
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OPL3_BASSDRUM_ON, OPL3_HIHAT_ON, OPL3_BASSDRUM_ON, /* 41 - 43 */
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OPL3_HIHAT_ON, OPL3_TOMTOM_ON, OPL3_HIHAT_ON, /* 44 - 46 */
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OPL3_TOMTOM_ON, OPL3_TOMTOM_ON, OPL3_CYMBAL_ON, /* 47 - 49 */
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OPL3_TOMTOM_ON, OPL3_CYMBAL_ON, OPL3_CYMBAL_ON, /* 50 - 52 */
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OPL3_CYMBAL_ON, OPL3_CYMBAL_ON, OPL3_CYMBAL_ON, /* 53 - 55 */
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OPL3_HIHAT_ON, OPL3_CYMBAL_ON, OPL3_TOMTOM_ON, /* 56 - 58 */
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OPL3_CYMBAL_ON, OPL3_TOMTOM_ON, OPL3_TOMTOM_ON, /* 59 - 61 */
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OPL3_HIHAT_ON, OPL3_TOMTOM_ON, OPL3_TOMTOM_ON, /* 62 - 64 */
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OPL3_TOMTOM_ON, OPL3_TOMTOM_ON, OPL3_TOMTOM_ON, /* 65 - 67 */
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OPL3_TOMTOM_ON, OPL3_HIHAT_ON, OPL3_HIHAT_ON, /* 68 - 70 */
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OPL3_HIHAT_ON, OPL3_HIHAT_ON, OPL3_TOMTOM_ON, /* 71 - 73 */
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OPL3_TOMTOM_ON, OPL3_TOMTOM_ON, OPL3_TOMTOM_ON, /* 74 - 76 */
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OPL3_TOMTOM_ON, OPL3_TOMTOM_ON, OPL3_TOMTOM_ON, /* 77 - 79 */
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OPL3_CYMBAL_ON, OPL3_CYMBAL_ON /* 80 - 81 */
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};
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struct snd_opl3_drum_voice {
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int voice;
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int op;
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unsigned char am_vib;
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unsigned char ksl_level;
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unsigned char attack_decay;
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unsigned char sustain_release;
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unsigned char feedback_connection;
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unsigned char wave_select;
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};
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struct snd_opl3_drum_note {
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int voice;
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unsigned char fnum;
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unsigned char octave_f;
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unsigned char feedback_connection;
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};
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static struct snd_opl3_drum_voice bass_op0 = {6, 0, 0x00, 0x32, 0xf8, 0x66, 0x30, 0x00};
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static struct snd_opl3_drum_voice bass_op1 = {6, 1, 0x00, 0x03, 0xf6, 0x57, 0x30, 0x00};
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static struct snd_opl3_drum_note bass_note = {6, 0x90, 0x09};
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static struct snd_opl3_drum_voice hihat = {7, 0, 0x00, 0x03, 0xf0, 0x06, 0x20, 0x00};
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static struct snd_opl3_drum_voice snare = {7, 1, 0x00, 0x03, 0xf0, 0x07, 0x20, 0x02};
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static struct snd_opl3_drum_note snare_note = {7, 0xf4, 0x0d};
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static struct snd_opl3_drum_voice tomtom = {8, 0, 0x02, 0x03, 0xf0, 0x06, 0x10, 0x00};
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static struct snd_opl3_drum_note tomtom_note = {8, 0xf4, 0x09};
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static struct snd_opl3_drum_voice cymbal = {8, 1, 0x04, 0x03, 0xf0, 0x06, 0x10, 0x00};
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/*
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* set drum voice characteristics
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*/
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static void snd_opl3_drum_voice_set(struct snd_opl3 *opl3,
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struct snd_opl3_drum_voice *data)
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{
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unsigned char op_offset = snd_opl3_regmap[data->voice][data->op];
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unsigned char voice_offset = data->voice;
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unsigned short opl3_reg;
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/* Set OPL3 AM_VIB register */
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opl3_reg = OPL3_LEFT | (OPL3_REG_AM_VIB + op_offset);
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opl3->command(opl3, opl3_reg, data->am_vib);
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/* Set OPL3 KSL_LEVEL register */
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opl3_reg = OPL3_LEFT | (OPL3_REG_KSL_LEVEL + op_offset);
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opl3->command(opl3, opl3_reg, data->ksl_level);
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/* Set OPL3 ATTACK_DECAY register */
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opl3_reg = OPL3_LEFT | (OPL3_REG_ATTACK_DECAY + op_offset);
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opl3->command(opl3, opl3_reg, data->attack_decay);
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/* Set OPL3 SUSTAIN_RELEASE register */
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opl3_reg = OPL3_LEFT | (OPL3_REG_SUSTAIN_RELEASE + op_offset);
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opl3->command(opl3, opl3_reg, data->sustain_release);
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/* Set OPL3 FEEDBACK_CONNECTION register */
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opl3_reg = OPL3_LEFT | (OPL3_REG_FEEDBACK_CONNECTION + voice_offset);
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opl3->command(opl3, opl3_reg, data->feedback_connection);
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/* Select waveform */
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opl3_reg = OPL3_LEFT | (OPL3_REG_WAVE_SELECT + op_offset);
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opl3->command(opl3, opl3_reg, data->wave_select);
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}
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/*
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* Set drum voice pitch
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*/
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static void snd_opl3_drum_note_set(struct snd_opl3 *opl3,
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struct snd_opl3_drum_note *data)
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{
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unsigned char voice_offset = data->voice;
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unsigned short opl3_reg;
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/* Set OPL3 FNUM_LOW register */
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opl3_reg = OPL3_LEFT | (OPL3_REG_FNUM_LOW + voice_offset);
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opl3->command(opl3, opl3_reg, data->fnum);
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/* Set OPL3 KEYON_BLOCK register */
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opl3_reg = OPL3_LEFT | (OPL3_REG_KEYON_BLOCK + voice_offset);
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opl3->command(opl3, opl3_reg, data->octave_f);
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}
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/*
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* Set drum voice volume and position
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*/
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static void snd_opl3_drum_vol_set(struct snd_opl3 *opl3,
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struct snd_opl3_drum_voice *data,
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int vel, struct snd_midi_channel *chan)
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{
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unsigned char op_offset = snd_opl3_regmap[data->voice][data->op];
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unsigned char voice_offset = data->voice;
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unsigned char reg_val;
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unsigned short opl3_reg;
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/* Set OPL3 KSL_LEVEL register */
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reg_val = data->ksl_level;
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snd_opl3_calc_volume(®_val, vel, chan);
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opl3_reg = OPL3_LEFT | (OPL3_REG_KSL_LEVEL + op_offset);
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opl3->command(opl3, opl3_reg, reg_val);
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/* Set OPL3 FEEDBACK_CONNECTION register */
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/* Set output voice connection */
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reg_val = data->feedback_connection | OPL3_STEREO_BITS;
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if (chan->gm_pan < 43)
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reg_val &= ~OPL3_VOICE_TO_RIGHT;
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if (chan->gm_pan > 85)
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reg_val &= ~OPL3_VOICE_TO_LEFT;
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opl3_reg = OPL3_LEFT | (OPL3_REG_FEEDBACK_CONNECTION + voice_offset);
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opl3->command(opl3, opl3_reg, reg_val);
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}
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/*
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* Loads drum voices at init time
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*/
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void snd_opl3_load_drums(struct snd_opl3 *opl3)
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{
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snd_opl3_drum_voice_set(opl3, &bass_op0);
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snd_opl3_drum_voice_set(opl3, &bass_op1);
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snd_opl3_drum_note_set(opl3, &bass_note);
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snd_opl3_drum_voice_set(opl3, &hihat);
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snd_opl3_drum_voice_set(opl3, &snare);
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snd_opl3_drum_note_set(opl3, &snare_note);
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snd_opl3_drum_voice_set(opl3, &tomtom);
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snd_opl3_drum_note_set(opl3, &tomtom_note);
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snd_opl3_drum_voice_set(opl3, &cymbal);
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}
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/*
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* Switch drum voice on or off
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*/
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void snd_opl3_drum_switch(struct snd_opl3 *opl3, int note, int vel, int on_off,
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struct snd_midi_channel *chan)
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{
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unsigned char drum_mask;
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struct snd_opl3_drum_voice *drum_voice;
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if (!(opl3->drum_reg & OPL3_PERCUSSION_ENABLE))
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return;
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if ((note < 35) || (note > 81))
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return;
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drum_mask = snd_opl3_drum_table[note - 35];
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if (on_off) {
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switch (drum_mask) {
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case OPL3_BASSDRUM_ON:
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drum_voice = &bass_op1;
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break;
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case OPL3_HIHAT_ON:
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drum_voice = &hihat;
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break;
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case OPL3_SNAREDRUM_ON:
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drum_voice = &snare;
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break;
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case OPL3_TOMTOM_ON:
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drum_voice = &tomtom;
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break;
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case OPL3_CYMBAL_ON:
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drum_voice = &cymbal;
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break;
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default:
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drum_voice = &tomtom;
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}
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snd_opl3_drum_vol_set(opl3, drum_voice, vel, chan);
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opl3->drum_reg |= drum_mask;
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} else {
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opl3->drum_reg &= ~drum_mask;
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}
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opl3->command(opl3, OPL3_LEFT | OPL3_REG_PERCUSSION,
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opl3->drum_reg);
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}
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