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https://github.com/team-infusion-developers/android_kernel_samsung_msm8976.git
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113 lines
2.8 KiB
C
113 lines
2.8 KiB
C
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/*
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* OSS compatible sequencer driver
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*
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* seq_oss_event.h - OSS event queue record
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*
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* Copyright (C) 1998,99 Takashi Iwai <tiwai@suse.de>
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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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#ifndef __SEQ_OSS_EVENT_H
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#define __SEQ_OSS_EVENT_H
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#include "seq_oss_device.h"
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#define SHORT_EVENT_SIZE 4
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#define LONG_EVENT_SIZE 8
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/* short event (4bytes) */
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typedef struct evrec_short_t {
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unsigned char code;
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unsigned char parm1;
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unsigned char dev;
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unsigned char parm2;
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} evrec_short_t;
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/* short note events (4bytes) */
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typedef struct evrec_note_t {
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unsigned char code;
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unsigned char chn;
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unsigned char note;
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unsigned char vel;
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} evrec_note_t;
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/* long timer events (8bytes) */
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typedef struct evrec_timer_t {
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unsigned char code;
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unsigned char cmd;
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unsigned char dummy1, dummy2;
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unsigned int time;
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} evrec_timer_t;
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/* long extended events (8bytes) */
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typedef struct evrec_extended_t {
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unsigned char code;
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unsigned char cmd;
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unsigned char dev;
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unsigned char chn;
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unsigned char p1, p2, p3, p4;
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} evrec_extended_t;
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/* long channel events (8bytes) */
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typedef struct evrec_long_t {
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unsigned char code;
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unsigned char dev;
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unsigned char cmd;
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unsigned char chn;
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unsigned char p1, p2;
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unsigned short val;
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} evrec_long_t;
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/* channel voice events (8bytes) */
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typedef struct evrec_voice_t {
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unsigned char code;
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unsigned char dev;
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unsigned char cmd;
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unsigned char chn;
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unsigned char note, parm;
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unsigned short dummy;
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} evrec_voice_t;
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/* sysex events (8bytes) */
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typedef struct evrec_sysex_t {
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unsigned char code;
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unsigned char dev;
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unsigned char buf[6];
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} evrec_sysex_t;
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/* event record */
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union evrec_t {
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evrec_short_t s;
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evrec_note_t n;
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evrec_long_t l;
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evrec_voice_t v;
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evrec_timer_t t;
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evrec_extended_t e;
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evrec_sysex_t x;
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unsigned int echo;
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unsigned char c[LONG_EVENT_SIZE];
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};
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#define ev_is_long(ev) ((ev)->s.code >= 128)
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#define ev_length(ev) ((ev)->s.code >= 128 ? LONG_EVENT_SIZE : SHORT_EVENT_SIZE)
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int snd_seq_oss_process_event(seq_oss_devinfo_t *dp, evrec_t *q, snd_seq_event_t *ev);
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int snd_seq_oss_process_timer_event(seq_oss_timer_t *rec, evrec_t *q);
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int snd_seq_oss_event_input(snd_seq_event_t *ev, int direct, void *private_data, int atomic, int hop);
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#endif /* __SEQ_OSS_EVENT_H */
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