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-rw-r--r--sound/oss/sequencer.c73
1 files changed, 29 insertions, 44 deletions
diff --git a/sound/oss/sequencer.c b/sound/oss/sequencer.c
index 698614226c9..c0eea1dfe90 100644
--- a/sound/oss/sequencer.c
+++ b/sound/oss/sequencer.c
@@ -1,5 +1,5 @@
/*
- * sound/sequencer.c
+ * sound/oss/sequencer.c
*
* The sequencer personality manager.
*/
@@ -16,10 +16,10 @@
*/
#include <linux/kmod.h>
#include <linux/spinlock.h>
-#define SEQUENCER_C
#include "sound_config.h"
#include "midi_ctrl.h"
+#include "sleep.h"
static int sequencer_ok;
static struct sound_timer_operations *tmr;
@@ -101,8 +101,7 @@ int sequencer_read(int dev, struct file *file, char __user *buf, int count)
return -EAGAIN;
}
- interruptible_sleep_on_timeout(&midi_sleeper,
- pre_event_timeout);
+ oss_broken_sleep_on(&midi_sleeper, pre_event_timeout);
spin_lock_irqsave(&lock,flags);
if (!iqlen)
{
@@ -157,6 +156,7 @@ void seq_copy_to_input(unsigned char *event_rec, int len)
wake_up(&midi_sleeper);
spin_unlock_irqrestore(&lock,flags);
}
+EXPORT_SYMBOL(seq_copy_to_input);
static void sequencer_midi_input(int dev, unsigned char data)
{
@@ -206,18 +206,16 @@ void seq_input_event(unsigned char *event_rec, int len)
}
seq_copy_to_input(event_rec, len);
}
+EXPORT_SYMBOL(seq_input_event);
int sequencer_write(int dev, struct file *file, const char __user *buf, int count)
{
unsigned char event_rec[EV_SZ], ev_code;
int p = 0, c, ev_size;
- int err;
int mode = translate_mode(file);
dev = dev >> 4;
- DEB(printk("sequencer_write(dev=%d, count=%d)\n", dev, count));
-
if (mode == OPEN_READ)
return -EIO;
@@ -241,7 +239,7 @@ int sequencer_write(int dev, struct file *file, const char __user *buf, int coun
return -ENXIO;
fmt = (*(short *) &event_rec[0]) & 0xffff;
- err = synth_devs[dev]->load_patch(dev, fmt, buf, p + 4, c, 0);
+ err = synth_devs[dev]->load_patch(dev, fmt, buf + p, c, 0);
if (err < 0)
return err;
@@ -284,7 +282,7 @@ int sequencer_write(int dev, struct file *file, const char __user *buf, int coun
{
if (!midi_opened[event_rec[2]])
{
- int mode;
+ int err, mode;
int dev = event_rec[2];
if (dev >= max_mididev || midi_devs[dev]==NULL)
@@ -343,7 +341,7 @@ static int seq_queue(unsigned char *note, char nonblock)
/*
* Sleep until there is enough space on the queue
*/
- interruptible_sleep_on(&seq_sleeper);
+ oss_broken_sleep_on(&seq_sleeper, MAX_SCHEDULE_TIMEOUT);
}
if (qlen >= SEQ_MAX_QUEUE)
{
@@ -545,6 +543,9 @@ static void seq_chn_common_event(unsigned char *event_rec)
case MIDI_PGM_CHANGE:
if (seq_mode == SEQ_2)
{
+ if (chn > 15)
+ break;
+
synth_devs[dev]->chn_info[chn].pgm_num = p1;
if ((int) dev >= num_synths)
synth_devs[dev]->set_instr(dev, chn, p1);
@@ -596,6 +597,9 @@ static void seq_chn_common_event(unsigned char *event_rec)
case MIDI_PITCH_BEND:
if (seq_mode == SEQ_2)
{
+ if (chn > 15)
+ break;
+
synth_devs[dev]->chn_info[chn].bender_value = w14;
if ((int) dev < num_synths)
@@ -709,11 +713,11 @@ static void seq_local_event(unsigned char *event_rec)
static void seq_sysex_message(unsigned char *event_rec)
{
- int dev = event_rec[1];
+ unsigned int dev = event_rec[1];
int i, l = 0;
unsigned char *buf = &event_rec[2];
- if ((int) dev > max_synthdev)
+ if (dev > max_synthdev)
return;
if (!(synth_open_mask & (1 << dev)))
return;
@@ -953,8 +957,6 @@ int sequencer_open(int dev, struct file *file)
dev = dev >> 4;
mode = translate_mode(file);
- DEB(printk("sequencer_open(dev=%d)\n", dev));
-
if (!sequencer_ok)
{
/* printk("Sound card: sequencer not initialized\n");*/
@@ -1116,8 +1118,7 @@ static void seq_drain_midi_queues(void)
*/
if (n)
- interruptible_sleep_on_timeout(&seq_sleeper,
- HZ/10);
+ oss_broken_sleep_on(&seq_sleeper, HZ/10);
}
}
@@ -1128,8 +1129,6 @@ void sequencer_release(int dev, struct file *file)
dev = dev >> 4;
- DEB(printk("sequencer_release(dev=%d)\n", dev));
-
/*
* Wait until the queue is empty (if we don't have nonblock)
*/
@@ -1139,8 +1138,7 @@ void sequencer_release(int dev, struct file *file)
while (!signal_pending(current) && qlen > 0)
{
seq_sync();
- interruptible_sleep_on_timeout(&seq_sleeper,
- 3*HZ);
+ oss_broken_sleep_on(&seq_sleeper, 3*HZ);
/* Extra delay */
}
}
@@ -1195,7 +1193,7 @@ static int seq_sync(void)
seq_startplay();
if (qlen > 0)
- interruptible_sleep_on_timeout(&seq_sleeper, HZ);
+ oss_broken_sleep_on(&seq_sleeper, HZ);
return qlen;
}
@@ -1218,7 +1216,7 @@ static void midi_outc(int dev, unsigned char data)
spin_lock_irqsave(&lock,flags);
while (n && !midi_devs[dev]->outputc(dev, data)) {
- interruptible_sleep_on_timeout(&seq_sleeper, HZ/25);
+ oss_broken_sleep_on(&seq_sleeper, HZ/25);
n--;
}
spin_unlock_irqrestore(&lock,flags);
@@ -1554,6 +1552,7 @@ void sequencer_timer(unsigned long dummy)
{
seq_startplay();
}
+EXPORT_SYMBOL(sequencer_timer);
int note_to_freq(int note_num)
{
@@ -1587,6 +1586,7 @@ int note_to_freq(int note_num)
return note_freq;
}
+EXPORT_SYMBOL(note_to_freq);
unsigned long compute_finetune(unsigned long base_freq, int bend, int range,
int vibrato_cents)
@@ -1629,8 +1629,6 @@ unsigned long compute_finetune(unsigned long base_freq, int bend, int range,
}
semitones = bend / 100;
- if (semitones > 99)
- semitones = 99;
cents = bend % 100;
amount = (int) (semitone_tuning[semitones] * multiplier * cent_tuning[cents]) / 10000;
@@ -1640,26 +1638,19 @@ unsigned long compute_finetune(unsigned long base_freq, int bend, int range,
else
return (base_freq * amount) / 10000; /* Bend up */
}
-
+EXPORT_SYMBOL(compute_finetune);
void sequencer_init(void)
{
- /* drag in sequencer_syms.o */
- {
- extern char sequencer_syms_symbol;
- sequencer_syms_symbol = 0;
- }
-
if (sequencer_ok)
return;
- MIDIbuf_init();
- queue = (unsigned char *)vmalloc(SEQ_MAX_QUEUE * EV_SZ);
+ queue = 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 *)vmalloc(SEQ_MAX_QUEUE * IEV_SZ);
+ iqueue = vmalloc(SEQ_MAX_QUEUE * IEV_SZ);
if (iqueue == NULL)
{
printk(KERN_ERR "sequencer: Can't allocate memory for sequencer input queue\n");
@@ -1668,17 +1659,11 @@ void sequencer_init(void)
}
sequencer_ok = 1;
}
+EXPORT_SYMBOL(sequencer_init);
void sequencer_unload(void)
{
- if(queue)
- {
- vfree(queue);
- queue=NULL;
- }
- if(iqueue)
- {
- vfree(iqueue);
- iqueue=NULL;
- }
+ vfree(queue);
+ vfree(iqueue);
+ queue = iqueue = NULL;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 20:48:35 +0000