2 * OSS compatible sequencer driver
4 * OSS compatible i/o control
6 * Copyright (C) 1998,99 Takashi Iwai <tiwai@suse.de>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include "seq_oss_device.h"
24 #include "seq_oss_readq.h"
25 #include "seq_oss_writeq.h"
26 #include "seq_oss_timer.h"
27 #include "seq_oss_synth.h"
28 #include "seq_oss_midi.h"
29 #include "seq_oss_event.h"
31 static int snd_seq_oss_synth_info_user(struct seq_oss_devinfo *dp, void __user *arg)
33 struct synth_info info;
35 if (copy_from_user(&info, arg, sizeof(info)))
37 if (snd_seq_oss_synth_make_info(dp, info.device, &info) < 0)
39 if (copy_to_user(arg, &info, sizeof(info)))
44 static int snd_seq_oss_midi_info_user(struct seq_oss_devinfo *dp, void __user *arg)
46 struct midi_info info;
48 if (copy_from_user(&info, arg, sizeof(info)))
50 if (snd_seq_oss_midi_make_info(dp, info.device, &info) < 0)
52 if (copy_to_user(arg, &info, sizeof(info)))
57 static int snd_seq_oss_oob_user(struct seq_oss_devinfo *dp, void __user *arg)
60 struct snd_seq_event tmpev;
62 if (copy_from_user(ev, arg, 8))
64 memset(&tmpev, 0, sizeof(tmpev));
65 snd_seq_oss_fill_addr(dp, &tmpev, dp->addr.client, dp->addr.port);
67 if (! snd_seq_oss_process_event(dp, (union evrec *)ev, &tmpev)) {
68 snd_seq_oss_dispatch(dp, &tmpev, 0, 0);
74 snd_seq_oss_ioctl(struct seq_oss_devinfo *dp, unsigned int cmd, unsigned long carg)
77 void __user *arg = (void __user *)carg;
81 case SNDCTL_TMR_TIMEBASE:
82 case SNDCTL_TMR_TEMPO:
83 case SNDCTL_TMR_START:
85 case SNDCTL_TMR_CONTINUE:
86 case SNDCTL_TMR_METRONOME:
87 case SNDCTL_TMR_SOURCE:
88 case SNDCTL_TMR_SELECT:
89 case SNDCTL_SEQ_CTRLRATE:
90 return snd_seq_oss_timer_ioctl(dp->timer, cmd, arg);
92 case SNDCTL_SEQ_PANIC:
93 snd_seq_oss_reset(dp);
97 if (! is_write_mode(dp->file_mode) || dp->writeq == NULL)
99 while (snd_seq_oss_writeq_sync(dp->writeq))
101 if (signal_pending(current))
105 case SNDCTL_SEQ_RESET:
106 snd_seq_oss_reset(dp);
109 case SNDCTL_SEQ_TESTMIDI:
110 if (get_user(dev, p))
112 return snd_seq_oss_midi_open(dp, dev, dp->file_mode);
114 case SNDCTL_SEQ_GETINCOUNT:
115 if (dp->readq == NULL || ! is_read_mode(dp->file_mode))
117 return put_user(dp->readq->qlen, p) ? -EFAULT : 0;
119 case SNDCTL_SEQ_GETOUTCOUNT:
120 if (! is_write_mode(dp->file_mode) || dp->writeq == NULL)
122 return put_user(snd_seq_oss_writeq_get_free_size(dp->writeq), p) ? -EFAULT : 0;
124 case SNDCTL_SEQ_GETTIME:
125 return put_user(snd_seq_oss_timer_cur_tick(dp->timer), p) ? -EFAULT : 0;
127 case SNDCTL_SEQ_RESETSAMPLES:
128 if (get_user(dev, p))
130 return snd_seq_oss_synth_ioctl(dp, dev, cmd, carg);
132 case SNDCTL_SEQ_NRSYNTHS:
133 return put_user(dp->max_synthdev, p) ? -EFAULT : 0;
135 case SNDCTL_SEQ_NRMIDIS:
136 return put_user(dp->max_mididev, p) ? -EFAULT : 0;
138 case SNDCTL_SYNTH_MEMAVL:
139 if (get_user(dev, p))
141 val = snd_seq_oss_synth_ioctl(dp, dev, cmd, carg);
142 return put_user(val, p) ? -EFAULT : 0;
144 case SNDCTL_FM_4OP_ENABLE:
145 if (get_user(dev, p))
147 snd_seq_oss_synth_ioctl(dp, dev, cmd, carg);
150 case SNDCTL_SYNTH_INFO:
151 case SNDCTL_SYNTH_ID:
152 return snd_seq_oss_synth_info_user(dp, arg);
154 case SNDCTL_SEQ_OUTOFBAND:
155 return snd_seq_oss_oob_user(dp, arg);
157 case SNDCTL_MIDI_INFO:
158 return snd_seq_oss_midi_info_user(dp, arg);
160 case SNDCTL_SEQ_THRESHOLD:
161 if (! is_write_mode(dp->file_mode))
163 if (get_user(val, p))
167 if (val >= dp->writeq->maxlen)
168 val = dp->writeq->maxlen - 1;
169 snd_seq_oss_writeq_set_output(dp->writeq, val);
172 case SNDCTL_MIDI_PRETIME:
173 if (dp->readq == NULL || !is_read_mode(dp->file_mode))
175 if (get_user(val, p))
180 val = (HZ * val) / 10;
181 dp->readq->pre_event_timeout = val;
182 return put_user(val, p) ? -EFAULT : 0;
185 if (! is_write_mode(dp->file_mode))
187 return snd_seq_oss_synth_ioctl(dp, 0, cmd, carg);