patch-2.1.86 linux/drivers/sound/sequencer.c
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- Lines: 903
- Date:
Mon Feb 9 11:21:11 1998
- Orig file:
v2.1.85/linux/drivers/sound/sequencer.c
- Orig date:
Sun Jan 4 10:40:16 1998
diff -u --recursive --new-file v2.1.85/linux/drivers/sound/sequencer.c linux/drivers/sound/sequencer.c
@@ -52,16 +52,23 @@
static int seq_mode = SEQ_1;
static struct wait_queue *seq_sleeper = NULL;
-static volatile struct snd_wait seq_sleep_flag =
-{0};
-static struct wait_queue *midi_sleeper = NULL;
-static volatile struct snd_wait midi_sleep_flag =
-{0};
-static int midi_opened[MAX_MIDI_DEV] =
-{0};
-static int midi_written[MAX_MIDI_DEV] =
-{0};
+static volatile struct snd_wait seq_sleep_flag = {
+ 0
+};
+
+static struct wait_queue *midi_sleeper = NULL;
+static volatile struct snd_wait midi_sleep_flag = {
+ 0
+};
+
+static int midi_opened[MAX_MIDI_DEV] = {
+ 0
+};
+
+static int midi_written[MAX_MIDI_DEV] = {
+ 0
+};
static unsigned long prev_input_time = 0;
static int prev_event_time;
@@ -70,6 +77,7 @@
#define EV_SZ 8
#define IEV_SZ 8
+
static unsigned char *queue = NULL;
static unsigned char *iqueue = NULL;
@@ -102,29 +110,27 @@
save_flags(flags);
cli();
+
if (!iqlen)
{
+ unsigned long tlimit;
if ((file->flags & (O_NONBLOCK) ? 1 : 0))
{
restore_flags(flags);
return -EAGAIN;
}
+ if (pre_event_timeout)
+ current->timeout = tlimit = jiffies + (pre_event_timeout);
+ else
+ tlimit = (unsigned long) -1;
+ midi_sleep_flag.opts = WK_SLEEP;
+ interruptible_sleep_on(&midi_sleeper);
+ if (!(midi_sleep_flag.opts & WK_WAKEUP))
{
- unsigned long tlimit;
-
- if (pre_event_timeout)
- current->timeout = tlimit = jiffies + (pre_event_timeout);
- else
- tlimit = (unsigned long) -1;
- midi_sleep_flag.opts = WK_SLEEP;
- interruptible_sleep_on(&midi_sleeper);
- if (!(midi_sleep_flag.opts & WK_WAKEUP))
- {
- if (jiffies >= tlimit)
- midi_sleep_flag.opts |= WK_TIMEOUT;
- }
- midi_sleep_flag.opts &= ~WK_SLEEP;
- };
+ if (jiffies >= tlimit)
+ midi_sleep_flag.opts |= WK_TIMEOUT;
+ }
+ midi_sleep_flag.opts &= ~WK_SLEEP;
if (!iqlen)
{
@@ -134,10 +140,8 @@
}
while (iqlen && c >= ev_len)
{
- {
- char *fixit = (char *) &iqueue[iqhead * IEV_SZ];
- copy_to_user(&(buf)[p], fixit, ev_len);
- };
+ char *fixit = (char *) &iqueue[iqhead * IEV_SZ];
+ copy_to_user(&(buf)[p], fixit, ev_len);
p += ev_len;
c -= ev_len;
@@ -145,7 +149,6 @@
iqlen--;
}
restore_flags(flags);
-
return count - c;
}
@@ -158,7 +161,7 @@
void seq_copy_to_input(unsigned char *event_rec, int len)
{
- unsigned long flags;
+ unsigned long flags;
/*
* Verify that the len is valid for the current mode.
@@ -202,7 +205,6 @@
if (tstamp != prev_input_time)
{
tstamp = (tstamp << 8) | SEQ_WAIT;
-
seq_copy_to_input((unsigned char *) &tstamp, 4);
prev_input_time = tstamp;
}
@@ -396,7 +398,7 @@
static int extended_event(unsigned char *q)
{
- int dev = q[2];
+ int dev = q[2];
if (dev < 0 || dev >= max_synthdev)
return -ENXIO;
@@ -451,22 +453,20 @@
static int find_voice(int dev, int chn, int note)
{
- unsigned short key;
- int i;
+ unsigned short key;
+ int i;
key = (chn << 8) | (note + 1);
-
for (i = 0; i < synth_devs[dev]->alloc.max_voice; i++)
if (synth_devs[dev]->alloc.map[i] == key)
return i;
-
return -1;
}
static int alloc_voice(int dev, int chn, int note)
{
unsigned short key;
- int voice;
+ int voice;
key = (chn << 8) | (note + 1);
@@ -474,7 +474,7 @@
&synth_devs[dev]->alloc);
synth_devs[dev]->alloc.map[voice] = key;
synth_devs[dev]->alloc.alloc_times[voice] =
- synth_devs[dev]->alloc.timestamp++;
+ synth_devs[dev]->alloc.timestamp++;
return voice;
}
@@ -562,13 +562,13 @@
static void seq_chn_common_event(unsigned char *event_rec)
{
- unsigned char dev = event_rec[1];
- unsigned char cmd = event_rec[2];
- unsigned char chn = event_rec[3];
- unsigned char p1 = event_rec[4];
+ unsigned char dev = event_rec[1];
+ unsigned char cmd = event_rec[2];
+ unsigned char chn = event_rec[3];
+ unsigned char p1 = event_rec[4];
- /* unsigned char p2 = event_rec[5]; */
- unsigned short w14 = *(short *) &event_rec[6];
+ /* unsigned char p2 = event_rec[5]; */
+ unsigned short w14 = *(short *) &event_rec[6];
if ((int) dev > max_synthdev || synth_devs[dev] == NULL)
return;
@@ -659,8 +659,8 @@
static int seq_timing_event(unsigned char *event_rec)
{
- unsigned char cmd = event_rec[1];
- unsigned int parm = *(int *) &event_rec[4];
+ unsigned char cmd = event_rec[1];
+ unsigned int parm = *(int *) &event_rec[4];
if (seq_mode == SEQ_2)
{
@@ -671,7 +671,6 @@
if ((SEQ_MAX_QUEUE - qlen) >= output_threshold)
{
unsigned long flags;
-
save_flags(flags);
cli();
if ((seq_sleep_flag.opts & WK_SLEEP))
@@ -781,8 +780,8 @@
static void seq_sysex_message(unsigned char *event_rec)
{
- int dev = event_rec[1];
- int i, l = 0;
+ int dev = event_rec[1];
+ int i, l = 0;
unsigned char *buf = &event_rec[2];
if ((int) dev > max_synthdev)
@@ -957,9 +956,8 @@
seq_sysex_message(q);
break;
- default:;
+ default:
}
-
return 0;
}
@@ -1009,12 +1007,9 @@
}
}
-static void
-reset_controllers(int dev, unsigned char *controller, int update_dev)
+static void reset_controllers(int dev, unsigned char *controller, int update_dev)
{
-
int i;
-
for (i = 0; i < 128; i++)
controller[i] = ctrl_def_values[i];
}
@@ -1049,16 +1044,15 @@
synth_devs[dev]->chn_info[chn].bender_range = 200;
}
}
-
max_mididev = 0;
seq_mode = SEQ_2;
}
int sequencer_open(int dev, struct fileinfo *file)
{
- int retval, mode, i;
- int level, tmp;
- unsigned long flags;
+ int retval, mode, i;
+ int level, tmp;
+ unsigned long flags;
if (!sequencer_ok)
sequencer_init();
@@ -1076,9 +1070,8 @@
return -ENXIO;
}
if (dev) /* Patch manager device (obsolete) */
- {
return -ENXIO;
- }
+
if (mode == OPEN_READ)
{
if (!num_midis)
@@ -1192,9 +1185,8 @@
}
}
if (seq_mode == SEQ_2)
- {
tmr->open(tmr_no, seq_mode);
- }
+
seq_sleep_flag.opts = WK_NONE;
midi_sleep_flag.opts = WK_NONE;
output_threshold = SEQ_MAX_QUEUE / 2;
@@ -1204,7 +1196,7 @@
void seq_drain_midi_queues(void)
{
- int i, n;
+ int i, n;
/*
* Give the Midi drivers time to drain their output queues
@@ -1228,30 +1220,25 @@
if (n)
{
- {
- unsigned long tlimit;
+ unsigned long tlimit;
- if (HZ / 10)
- current->timeout = tlimit = jiffies + (HZ / 10);
- else
- tlimit = (unsigned long) -1;
- seq_sleep_flag.opts = WK_SLEEP;
- interruptible_sleep_on(&seq_sleeper);
- if (!(seq_sleep_flag.opts & WK_WAKEUP))
- {
- if (jiffies >= tlimit)
- seq_sleep_flag.opts |= WK_TIMEOUT;
- }
- seq_sleep_flag.opts &= ~WK_SLEEP;
- };
+ current->timeout = tlimit = jiffies + (HZ / 10);
+ seq_sleep_flag.opts = WK_SLEEP;
+ interruptible_sleep_on(&seq_sleeper);
+ if (!(seq_sleep_flag.opts & WK_WAKEUP))
+ {
+ if (jiffies >= tlimit)
+ seq_sleep_flag.opts |= WK_TIMEOUT;
+ }
+ seq_sleep_flag.opts &= ~WK_SLEEP;
}
}
}
void sequencer_release(int dev, struct fileinfo *file)
{
- int i;
- int mode = file->mode & O_ACCMODE;
+ int i;
+ int mode = file->mode & O_ACCMODE;
dev = dev >> 4;
@@ -1261,29 +1248,21 @@
* Wait until the queue is empty (if we don't have nonblock)
*/
- if (mode != OPEN_READ && !(file->flags & (O_NONBLOCK) ?
- 1 : 0))
+ if (mode != OPEN_READ && !(file->flags & (O_NONBLOCK) ? 1 : 0))
{
while (!signal_pending(current) && qlen > 0)
{
+ unsigned long tlimit;
seq_sync();
-
+ current->timeout = tlimit = jiffies + (3 * HZ);
+ seq_sleep_flag.opts = WK_SLEEP;
+ interruptible_sleep_on(&seq_sleeper);
+ if (!(seq_sleep_flag.opts & WK_WAKEUP))
{
- unsigned long tlimit;
-
- if (3 * HZ)
- current->timeout = tlimit = jiffies + (3 * HZ);
- else
- tlimit = (unsigned long) -1;
- seq_sleep_flag.opts = WK_SLEEP;
- interruptible_sleep_on(&seq_sleeper);
- if (!(seq_sleep_flag.opts & WK_WAKEUP))
- {
- if (jiffies >= tlimit)
- seq_sleep_flag.opts |= WK_TIMEOUT;
- }
- seq_sleep_flag.opts &= ~WK_SLEEP;
- }; /* Extra delay */
+ if (jiffies >= tlimit)
+ seq_sleep_flag.opts |= WK_TIMEOUT;
+ }
+ seq_sleep_flag.opts &= ~WK_SLEEP;
}
}
@@ -1327,7 +1306,7 @@
static int seq_sync(void)
{
- unsigned long flags;
+ unsigned long flags;
if (qlen && !seq_playing && !signal_pending(current))
seq_startplay();
@@ -1336,25 +1315,20 @@
cli();
if (qlen > 0)
{
- {
- unsigned long tlimit;
+ unsigned long tlimit;
- if (HZ)
- current->timeout = tlimit = jiffies + (HZ);
- else
- tlimit = (unsigned long) -1;
- seq_sleep_flag.opts = WK_SLEEP;
- interruptible_sleep_on(&seq_sleeper);
- if (!(seq_sleep_flag.opts & WK_WAKEUP))
- {
- if (jiffies >= tlimit)
- seq_sleep_flag.opts |= WK_TIMEOUT;
- }
- seq_sleep_flag.opts &= ~WK_SLEEP;
- };
+ if (HZ)
+ current->timeout = tlimit = jiffies + (HZ);
+ seq_sleep_flag.opts = WK_SLEEP;
+ interruptible_sleep_on(&seq_sleeper);
+ if (!(seq_sleep_flag.opts & WK_WAKEUP))
+ {
+ if (jiffies >= tlimit)
+ seq_sleep_flag.opts |= WK_TIMEOUT;
+ }
+ seq_sleep_flag.opts &= ~WK_SLEEP;
}
restore_flags(flags);
-
return qlen;
}
@@ -1364,8 +1338,8 @@
* NOTE! Calls sleep(). Don't call this from interrupt.
*/
- int n;
- unsigned long flags;
+ int n;
+ unsigned long flags;
/*
* This routine sends one byte to the Midi channel.
@@ -1379,22 +1353,17 @@
cli();
while (n && !midi_devs[dev]->outputc(dev, data))
{
- {
- unsigned long tlimit;
+ unsigned long tlimit;
- if (4)
- current->timeout = tlimit = jiffies + (4);
- else
- tlimit = (unsigned long) -1;
- seq_sleep_flag.opts = WK_SLEEP;
- interruptible_sleep_on(&seq_sleeper);
- if (!(seq_sleep_flag.opts & WK_WAKEUP))
- {
- if (jiffies >= tlimit)
- seq_sleep_flag.opts |= WK_TIMEOUT;
- }
- seq_sleep_flag.opts &= ~WK_SLEEP;
- };
+ current->timeout = tlimit = jiffies + (4);
+ seq_sleep_flag.opts = WK_SLEEP;
+ interruptible_sleep_on(&seq_sleeper);
+ if (!(seq_sleep_flag.opts & WK_WAKEUP))
+ {
+ if (jiffies >= tlimit)
+ seq_sleep_flag.opts |= WK_TIMEOUT;
+ }
+ seq_sleep_flag.opts &= ~WK_SLEEP;
n--;
}
restore_flags(flags);
@@ -1406,9 +1375,9 @@
* NOTE! Calls sleep(). Don't call this from interrupt.
*/
- int i;
- int chn;
- unsigned long flags;
+ int i;
+ int chn;
+ unsigned long flags;
if (softsynthp != NULL)
softsynthp(SSYN_STOP, 0, 0, 0);
@@ -1515,197 +1484,204 @@
orig_dev = dev = dev >> 4;
- switch (cmd) {
- case SNDCTL_TMR_TIMEBASE:
- case SNDCTL_TMR_TEMPO:
- case SNDCTL_TMR_START:
- case SNDCTL_TMR_STOP:
- case SNDCTL_TMR_CONTINUE:
- case SNDCTL_TMR_METRONOME:
- case SNDCTL_TMR_SOURCE:
- if (seq_mode != SEQ_2)
- return -EINVAL;
- return tmr->ioctl(tmr_no, cmd, arg);
+ switch (cmd)
+ {
+ case SNDCTL_TMR_TIMEBASE:
+ case SNDCTL_TMR_TEMPO:
+ case SNDCTL_TMR_START:
+ case SNDCTL_TMR_STOP:
+ case SNDCTL_TMR_CONTINUE:
+ case SNDCTL_TMR_METRONOME:
+ case SNDCTL_TMR_SOURCE:
+ if (seq_mode != SEQ_2)
+ return -EINVAL;
+ return tmr->ioctl(tmr_no, cmd, arg);
- case SNDCTL_TMR_SELECT:
- if (seq_mode != SEQ_2)
- return -EINVAL;
- if (__get_user(pending_timer, (int *)arg))
- return -EFAULT;
- if (pending_timer < 0 || pending_timer >= num_sound_timers || sound_timer_devs[pending_timer] == NULL) {
- pending_timer = -1;
- return -EINVAL;
- }
- return __put_user(pending_timer, (int *)arg);
+ case SNDCTL_TMR_SELECT:
+ if (seq_mode != SEQ_2)
+ return -EINVAL;
+ if (get_user(pending_timer, (int *)arg))
+ return -EFAULT;
+ if (pending_timer < 0 || pending_timer >= num_sound_timers || sound_timer_devs[pending_timer] == NULL)
+ {
+ pending_timer = -1;
+ return -EINVAL;
+ }
+ val = pending_timer;
+ break;
- case SNDCTL_SEQ_PANIC:
- seq_panic();
- break;
+ case SNDCTL_SEQ_PANIC:
+ seq_panic();
+ return -EINVAL;
- case SNDCTL_SEQ_SYNC:
- if (mode == OPEN_READ)
- return 0;
- while (qlen > 0 && !signal_pending(current))
- seq_sync();
- return qlen ? -EINTR : 0;
+ case SNDCTL_SEQ_SYNC:
+ if (mode == OPEN_READ)
+ return 0;
+ while (qlen > 0 && !signal_pending(current))
+ seq_sync();
+ return qlen ? -EINTR : 0;
- case SNDCTL_SEQ_RESET:
- seq_reset();
- return 0;
-
- case SNDCTL_SEQ_TESTMIDI:
- if (__get_user(midi_dev, (int *)arg))
- return -EFAULT;
- if (midi_dev < 0 || midi_dev >= max_mididev)
- return -ENXIO;
+ case SNDCTL_SEQ_RESET:
+ seq_reset();
+ return 0;
+
+ case SNDCTL_SEQ_TESTMIDI:
+ if (__get_user(midi_dev, (int *)arg))
+ return -EFAULT;
+ if (midi_dev < 0 || midi_dev >= max_mididev)
+ return -ENXIO;
- if (!midi_opened[midi_dev] &&
- (err = midi_devs[midi_dev]->open(midi_dev, mode, sequencer_midi_input,
+ if (!midi_opened[midi_dev] &&
+ (err = midi_devs[midi_dev]->open(midi_dev, mode, sequencer_midi_input,
sequencer_midi_output)) < 0)
- return err;
- midi_opened[midi_dev] = 1;
- return 0;
-
- case SNDCTL_SEQ_GETINCOUNT:
- if (mode == OPEN_WRITE)
+ return err;
+ midi_opened[midi_dev] = 1;
return 0;
- return __put_user(iqlen, (int *)arg);
+
+ case SNDCTL_SEQ_GETINCOUNT:
+ if (mode == OPEN_WRITE)
+ return 0;
+ val = iqlen;
+ break;
- case SNDCTL_SEQ_GETOUTCOUNT:
- if (mode == OPEN_READ)
- return 0;
- val = SEQ_MAX_QUEUE - qlen;
- return __put_user(val, (int *)arg);
+ case SNDCTL_SEQ_GETOUTCOUNT:
+ if (mode == OPEN_READ)
+ return 0;
+ val = SEQ_MAX_QUEUE - qlen;
+ break;
- case SNDCTL_SEQ_GETTIME:
- if (seq_mode == SEQ_2)
- return tmr->ioctl(tmr_no, cmd, arg);
- if (softsynthp != NULL)
- val = softsynthp(SSYN_GETTIME, 0, 0, 0);
- else
- val = jiffies - seq_time;
- return __put_user(val, (int *)arg);
+ case SNDCTL_SEQ_GETTIME:
+ if (seq_mode == SEQ_2)
+ return tmr->ioctl(tmr_no, cmd, arg);
+ if (softsynthp != NULL)
+ val = softsynthp(SSYN_GETTIME, 0, 0, 0);
+ else
+ val = jiffies - seq_time;
+ break;
- case SNDCTL_SEQ_CTRLRATE:
- /*
- * If *arg == 0, just return the current rate
- */
- if (seq_mode == SEQ_2)
- return tmr->ioctl(tmr_no, cmd, arg);
+ case SNDCTL_SEQ_CTRLRATE:
+ /*
+ * If *arg == 0, just return the current rate
+ */
+ if (seq_mode == SEQ_2)
+ return tmr->ioctl(tmr_no, cmd, arg);
- if (__get_user(val, (int *)arg))
- return -EFAULT;
- if (val != 0)
- return -EINVAL;
- return __put_user(HZ, (int *)arg);
+ if (get_user(val, (int *)arg))
+ return -EFAULT;
+ if (val != 0)
+ return -EINVAL;
+ val = HZ;
+ break;
- case SNDCTL_SEQ_RESETSAMPLES:
- case SNDCTL_SYNTH_REMOVESAMPLE:
- case SNDCTL_SYNTH_CONTROL:
- if (__get_user(dev, (int *)arg))
- return -EFAULT;
- if (dev < 0 || dev >= num_synths || synth_devs[dev] == NULL)
- return -ENXIO;
- if (!(synth_open_mask & (1 << dev)) && !orig_dev)
- return -EBUSY;
- return synth_devs[dev]->ioctl(dev, cmd, arg);
-
- case SNDCTL_SEQ_NRSYNTHS:
- return __put_user(max_synthdev, (int *)arg);
-
- case SNDCTL_SEQ_NRMIDIS:
- return __put_user(max_mididev, (int *)arg);
-
- case SNDCTL_SYNTH_MEMAVL:
- if (__get_user(dev, (int *)arg))
- return -EFAULT;
- if (dev < 0 || dev >= num_synths || synth_devs[dev] == NULL)
- return -ENXIO;
- if (!(synth_open_mask & (1 << dev)) && !orig_dev)
- return -EBUSY;
- val = synth_devs[dev]->ioctl(dev, cmd, arg);
- return __put_user(val, (int *)arg);
-
- case SNDCTL_FM_4OP_ENABLE:
- if (__get_user(dev, (int *)arg))
- return -EFAULT;
- if (dev < 0 || dev >= num_synths || synth_devs[dev] == NULL)
- return -ENXIO;
- if (!(synth_open_mask & (1 << dev)))
- return -ENXIO;
- synth_devs[dev]->ioctl(dev, cmd, arg);
- return 0;
+ case SNDCTL_SEQ_RESETSAMPLES:
+ case SNDCTL_SYNTH_REMOVESAMPLE:
+ case SNDCTL_SYNTH_CONTROL:
+ if (get_user(dev, (int *)arg))
+ return -EFAULT;
+ if (dev < 0 || dev >= num_synths || synth_devs[dev] == NULL)
+ return -ENXIO;
+ if (!(synth_open_mask & (1 << dev)) && !orig_dev)
+ return -EBUSY;
+ return synth_devs[dev]->ioctl(dev, cmd, arg);
- case SNDCTL_SYNTH_INFO:
- if (__get_user(dev, (int *)(&(((struct synth_info *)arg)->device))))
- return -EFAULT;
- if (dev < 0 || dev >= max_synthdev)
- return -ENXIO;
- if (!(synth_open_mask & (1 << dev)) && !orig_dev)
- return -EBUSY;
- return synth_devs[dev]->ioctl(dev, cmd, arg);
+ case SNDCTL_SEQ_NRSYNTHS:
+ val = max_synthdev;
+ break;
+
+ case SNDCTL_SEQ_NRMIDIS:
+ val = max_mididev;
+ break;
+
+ case SNDCTL_SYNTH_MEMAVL:
+ if (get_user(dev, (int *)arg))
+ return -EFAULT;
+ if (dev < 0 || dev >= num_synths || synth_devs[dev] == NULL)
+ return -ENXIO;
+ if (!(synth_open_mask & (1 << dev)) && !orig_dev)
+ return -EBUSY;
+ val = synth_devs[dev]->ioctl(dev, cmd, arg);
+ break;
+
+ case SNDCTL_FM_4OP_ENABLE:
+ if (get_user(dev, (int *)arg))
+ return -EFAULT;
+ if (dev < 0 || dev >= num_synths || synth_devs[dev] == NULL)
+ return -ENXIO;
+ if (!(synth_open_mask & (1 << dev)))
+ return -ENXIO;
+ synth_devs[dev]->ioctl(dev, cmd, arg);
+ return 0;
+
+ case SNDCTL_SYNTH_INFO:
+ if (get_user(dev, (int *)(&(((struct synth_info *)arg)->device))))
+ return -EFAULT;
+ if (dev < 0 || dev >= max_synthdev)
+ return -ENXIO;
+ if (!(synth_open_mask & (1 << dev)) && !orig_dev)
+ return -EBUSY;
+ return synth_devs[dev]->ioctl(dev, cmd, arg);
/* Like SYNTH_INFO but returns ID in the name field */
- case SNDCTL_SYNTH_ID:
- if (__get_user(dev, (int *)(&(((struct synth_info *)arg)->device))))
- return -EFAULT;
- if (dev < 0 || dev >= max_synthdev)
- return -ENXIO;
- if (!(synth_open_mask & (1 << dev)) && !orig_dev)
- return -EBUSY;
- memcpy(&inf, synth_devs[dev]->info, sizeof(inf));
- strncpy(inf.name, synth_devs[dev]->id, sizeof(inf.name));
- inf.device = dev;
- return __copy_to_user(arg, &inf, sizeof(inf));
+ case SNDCTL_SYNTH_ID:
+ if (get_user(dev, (int *)(&(((struct synth_info *)arg)->device))))
+ return -EFAULT;
+ if (dev < 0 || dev >= max_synthdev)
+ return -ENXIO;
+ if (!(synth_open_mask & (1 << dev)) && !orig_dev)
+ return -EBUSY;
+ memcpy(&inf, synth_devs[dev]->info, sizeof(inf));
+ strncpy(inf.name, synth_devs[dev]->id, sizeof(inf.name));
+ inf.device = dev;
+ return copy_to_user(arg, &inf, sizeof(inf))?-EFAULT:0;
- case SNDCTL_SEQ_OUTOFBAND:
- if (__copy_from_user(&event_rec, arg, sizeof(event_rec)))
- return -EFAULT;
- save_flags(flags);
- cli();
- play_event(event_rec.arr);
- restore_flags(flags);
- return 0;
+ case SNDCTL_SEQ_OUTOFBAND:
+ if (copy_from_user(&event_rec, arg, sizeof(event_rec)))
+ return -EFAULT;
+ save_flags(flags);
+ cli();
+ play_event(event_rec.arr);
+ restore_flags(flags);
+ return 0;
- case SNDCTL_MIDI_INFO:
- if (__get_user(dev, (int *)(&(((struct synth_info *)arg)->device))))
- return -EFAULT;
- if (dev < 0 || dev >= max_mididev)
- return -ENXIO;
- midi_devs[dev]->info.device = dev;
- return __copy_to_user(arg, &midi_devs[dev]->info, sizeof(struct synth_info));
+ case SNDCTL_MIDI_INFO:
+ if (get_user(dev, (int *)(&(((struct synth_info *)arg)->device))))
+ return -EFAULT;
+ if (dev < 0 || dev >= max_mididev)
+ return -ENXIO;
+ midi_devs[dev]->info.device = dev;
+ return copy_to_user(arg, &midi_devs[dev]->info, sizeof(struct synth_info))?-EFAULT:0;
- case SNDCTL_SEQ_THRESHOLD:
- if (__get_user(val, (int *)arg))
- return -EFAULT;
- if (val < 1)
- val = 1;
- if (val >= SEQ_MAX_QUEUE)
- val = SEQ_MAX_QUEUE - 1;
- output_threshold = val;
- return 0;
+ case SNDCTL_SEQ_THRESHOLD:
+ if (get_user(val, (int *)arg))
+ return -EFAULT;
+ if (val < 1)
+ val = 1;
+ if (val >= SEQ_MAX_QUEUE)
+ val = SEQ_MAX_QUEUE - 1;
+ output_threshold = val;
+ return 0;
- case SNDCTL_MIDI_PRETIME:
- if (__get_user(val, (int *)arg))
- return -EFAULT;
- if (val < 0)
- val = 0;
- val = (HZ * val) / 10;
- pre_event_timeout = val;
- return __put_user(val, (int *)arg);
-
- default:
- if (mode == OPEN_READ)
- return -EIO;
- if (!synth_devs[0])
- return -ENXIO;
- if (!(synth_open_mask & (1 << 0)))
- return -ENXIO;
- if (!synth_devs[0]->ioctl)
- return -EINVAL;
- return synth_devs[0]->ioctl(0, cmd, arg);
+ case SNDCTL_MIDI_PRETIME:
+ if (get_user(val, (int *)arg))
+ return -EFAULT;
+ if (val < 0)
+ val = 0;
+ val = (HZ * val) / 10;
+ pre_event_timeout = val;
+ break;
+
+ default:
+ if (mode == OPEN_READ)
+ return -EIO;
+ if (!synth_devs[0])
+ return -ENXIO;
+ if (!(synth_open_mask & (1 << 0)))
+ return -ENXIO;
+ if (!synth_devs[0]->ioctl)
+ return -EINVAL;
+ return synth_devs[0]->ioctl(0, cmd, arg);
}
- return -EINVAL;
+ return put_user(val, (int *)arg);
}
int sequencer_select(int dev, struct fileinfo *file, int sel_type, poll_table * wait)
@@ -1845,31 +1821,37 @@
{
if (sequencer_ok)
return;
-
#ifdef CONFIG_MIDI
MIDIbuf_init();
#endif
-
-
- queue = (unsigned char *) (sound_mem_blocks[sound_nblocks] = vmalloc(SEQ_MAX_QUEUE * EV_SZ));
- sound_mem_sizes[sound_nblocks] = SEQ_MAX_QUEUE * EV_SZ;
- if (sound_nblocks < 1024)
- sound_nblocks++;;
+ queue = (unsigned char *)vmalloc(SEQ_MAX_QUEUE * EV_SZ);
if (queue == NULL)
{
printk(KERN_ERR "sequencer: Can't allocate memory for sequencer output queue\n");
return;
}
- iqueue = (unsigned char *) (sound_mem_blocks[sound_nblocks] = vmalloc(SEQ_MAX_QUEUE * IEV_SZ));
- sound_mem_sizes[sound_nblocks] = SEQ_MAX_QUEUE * IEV_SZ;
- if (sound_nblocks < 1024)
- sound_nblocks++;
+ iqueue = (unsigned char *)vmalloc(SEQ_MAX_QUEUE * IEV_SZ);
if (iqueue == NULL)
{
printk(KERN_ERR "sequencer: Can't allocate memory for sequencer input queue\n");
+ vfree(queue);
return;
}
sequencer_ok = 1;
+}
+
+void sequencer_unload(void)
+{
+ if(queue)
+ {
+ vfree(queue);
+ queue=NULL;
+ }
+ if(iqueue)
+ {
+ vfree(iqueue);
+ iqueue=NULL;
+ }
}
#endif
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen, slshen@lbl.gov