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Diffstat (limited to 'sound/core/seq/seq_timer.c')
-rw-r--r--sound/core/seq/seq_timer.c77
1 files changed, 38 insertions, 39 deletions
diff --git a/sound/core/seq/seq_timer.c b/sound/core/seq/seq_timer.c
index b4b9a132cb1..e73605393ee 100644
--- a/sound/core/seq/seq_timer.c
+++ b/sound/core/seq/seq_timer.c
@@ -1,7 +1,7 @@
/*
* ALSA sequencer Timer
* Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl>
- * Jaroslav Kysela <perex@suse.cz>
+ * Jaroslav Kysela <perex@perex.cz>
*
*
* This program is free software; you can redistribute it and/or modify
@@ -20,20 +20,12 @@
*
*/
-#include <sound/driver.h>
#include <sound/core.h>
#include <linux/slab.h>
#include "seq_timer.h"
#include "seq_queue.h"
#include "seq_info.h"
-extern int seq_default_timer_class;
-extern int seq_default_timer_sclass;
-extern int seq_default_timer_card;
-extern int seq_default_timer_device;
-extern int seq_default_timer_subdevice;
-extern int seq_default_timer_resolution;
-
/* allowed sequencer timer frequencies, in Hz */
#define MIN_FREQUENCY 10
#define MAX_FREQUENCY 6250
@@ -41,22 +33,21 @@ extern int seq_default_timer_resolution;
#define SKEW_BASE 0x10000 /* 16bit shift */
-static void snd_seq_timer_set_tick_resolution(struct snd_seq_timer_tick *tick,
- int tempo, int ppq)
+static void snd_seq_timer_set_tick_resolution(struct snd_seq_timer *tmr)
{
- if (tempo < 1000000)
- tick->resolution = (tempo * 1000) / ppq;
+ if (tmr->tempo < 1000000)
+ tmr->tick.resolution = (tmr->tempo * 1000) / tmr->ppq;
else {
/* might overflow.. */
unsigned int s;
- s = tempo % ppq;
- s = (s * 1000) / ppq;
- tick->resolution = (tempo / ppq) * 1000;
- tick->resolution += s;
+ s = tmr->tempo % tmr->ppq;
+ s = (s * 1000) / tmr->ppq;
+ tmr->tick.resolution = (tmr->tempo / tmr->ppq) * 1000;
+ tmr->tick.resolution += s;
}
- if (tick->resolution <= 0)
- tick->resolution = 1;
- snd_seq_timer_update_tick(tick, 0);
+ if (tmr->tick.resolution <= 0)
+ tmr->tick.resolution = 1;
+ snd_seq_timer_update_tick(&tmr->tick, 0);
}
/* create new timer (constructor) */
@@ -66,7 +57,7 @@ struct snd_seq_timer *snd_seq_timer_new(void)
tmr = kzalloc(sizeof(*tmr), GFP_KERNEL);
if (tmr == NULL) {
- snd_printd("malloc failed for snd_seq_timer_new() \n");
+ pr_debug("ALSA: seq: malloc failed for snd_seq_timer_new() \n");
return NULL;
}
spin_lock_init(&tmr->lock);
@@ -87,7 +78,7 @@ void snd_seq_timer_delete(struct snd_seq_timer **tmr)
*tmr = NULL;
if (t == NULL) {
- snd_printd("oops: snd_seq_timer_delete() called with NULL timer\n");
+ pr_debug("ALSA: seq: snd_seq_timer_delete() called with NULL timer\n");
return;
}
t->running = 0;
@@ -104,7 +95,7 @@ void snd_seq_timer_defaults(struct snd_seq_timer * tmr)
/* setup defaults */
tmr->ppq = 96; /* 96 PPQ */
tmr->tempo = 500000; /* 120 BPM */
- snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq);
+ snd_seq_timer_set_tick_resolution(tmr);
tmr->running = 0;
tmr->type = SNDRV_SEQ_TIMER_ALSA;
@@ -181,13 +172,14 @@ int snd_seq_timer_set_tempo(struct snd_seq_timer * tmr, int tempo)
{
unsigned long flags;
- snd_assert(tmr, return -EINVAL);
+ if (snd_BUG_ON(!tmr))
+ return -EINVAL;
if (tempo <= 0)
return -EINVAL;
spin_lock_irqsave(&tmr->lock, flags);
if ((unsigned int)tempo != tmr->tempo) {
tmr->tempo = tempo;
- snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq);
+ snd_seq_timer_set_tick_resolution(tmr);
}
spin_unlock_irqrestore(&tmr->lock, flags);
return 0;
@@ -198,7 +190,8 @@ int snd_seq_timer_set_ppq(struct snd_seq_timer * tmr, int ppq)
{
unsigned long flags;
- snd_assert(tmr, return -EINVAL);
+ if (snd_BUG_ON(!tmr))
+ return -EINVAL;
if (ppq <= 0)
return -EINVAL;
spin_lock_irqsave(&tmr->lock, flags);
@@ -206,12 +199,12 @@ int snd_seq_timer_set_ppq(struct snd_seq_timer * tmr, int ppq)
/* refuse to change ppq on running timers */
/* because it will upset the song position (ticks) */
spin_unlock_irqrestore(&tmr->lock, flags);
- snd_printd("seq: cannot change ppq of a running timer\n");
+ pr_debug("ALSA: seq: cannot change ppq of a running timer\n");
return -EBUSY;
}
tmr->ppq = ppq;
- snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq);
+ snd_seq_timer_set_tick_resolution(tmr);
spin_unlock_irqrestore(&tmr->lock, flags);
return 0;
}
@@ -222,7 +215,8 @@ int snd_seq_timer_set_position_tick(struct snd_seq_timer *tmr,
{
unsigned long flags;
- snd_assert(tmr, return -EINVAL);
+ if (snd_BUG_ON(!tmr))
+ return -EINVAL;
spin_lock_irqsave(&tmr->lock, flags);
tmr->tick.cur_tick = position;
@@ -237,7 +231,8 @@ int snd_seq_timer_set_position_time(struct snd_seq_timer *tmr,
{
unsigned long flags;
- snd_assert(tmr, return -EINVAL);
+ if (snd_BUG_ON(!tmr))
+ return -EINVAL;
snd_seq_sanity_real_time(&position);
spin_lock_irqsave(&tmr->lock, flags);
@@ -252,11 +247,12 @@ int snd_seq_timer_set_skew(struct snd_seq_timer *tmr, unsigned int skew,
{
unsigned long flags;
- snd_assert(tmr, return -EINVAL);
+ if (snd_BUG_ON(!tmr))
+ return -EINVAL;
/* FIXME */
if (base != SKEW_BASE) {
- snd_printd("invalid skew base 0x%x\n", base);
+ pr_debug("ALSA: seq: invalid skew base 0x%x\n", base);
return -EINVAL;
}
spin_lock_irqsave(&tmr->lock, flags);
@@ -273,7 +269,8 @@ int snd_seq_timer_open(struct snd_seq_queue *q)
int err;
tmr = q->timer;
- snd_assert(tmr != NULL, return -EINVAL);
+ if (snd_BUG_ON(!tmr))
+ return -EINVAL;
if (tmr->timeri)
return -EBUSY;
sprintf(str, "sequencer queue %i", q->queue);
@@ -293,10 +290,10 @@ int snd_seq_timer_open(struct snd_seq_queue *q)
tid.device = SNDRV_TIMER_GLOBAL_SYSTEM;
err = snd_timer_open(&t, str, &tid, q->queue);
}
- if (err < 0) {
- snd_printk(KERN_ERR "seq fatal error: cannot create timer (%i)\n", err);
- return err;
- }
+ }
+ if (err < 0) {
+ pr_err("ALSA: seq fatal error: cannot create timer (%i)\n", err);
+ return err;
}
t->callback = snd_seq_timer_interrupt;
t->callback_data = q;
@@ -310,7 +307,8 @@ int snd_seq_timer_close(struct snd_seq_queue *q)
struct snd_seq_timer *tmr;
tmr = q->timer;
- snd_assert(tmr != NULL, return -EINVAL);
+ if (snd_BUG_ON(!tmr))
+ return -EINVAL;
if (tmr->timeri) {
snd_timer_stop(tmr->timeri);
snd_timer_close(tmr->timeri);
@@ -336,7 +334,8 @@ static int initialize_timer(struct snd_seq_timer *tmr)
unsigned long freq;
t = tmr->timeri->timer;
- snd_assert(t, return -EINVAL);
+ if (snd_BUG_ON(!t))
+ return -EINVAL;
freq = tmr->preferred_resolution;
if (!freq)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 18:31:29 +0000