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Diffstat (limited to 'sound/pci/pcxhr/pcxhr.c')
-rw-r--r--sound/pci/pcxhr/pcxhr.c43
1 files changed, 18 insertions, 25 deletions
diff --git a/sound/pci/pcxhr/pcxhr.c b/sound/pci/pcxhr/pcxhr.c
index 68a37a7906c1..b854fc5e01f5 100644
--- a/sound/pci/pcxhr/pcxhr.c
+++ b/sound/pci/pcxhr/pcxhr.c
@@ -702,13 +702,11 @@ static inline int pcxhr_stream_scheduled_get_pipe(struct pcxhr_stream *stream,
return 0;
}
-static void pcxhr_trigger_tasklet(unsigned long arg)
+static void pcxhr_start_linked_stream(struct pcxhr_mgr *mgr)
{
- unsigned long flags;
int i, j, err;
struct pcxhr_pipe *pipe;
struct snd_pcxhr *chip;
- struct pcxhr_mgr *mgr = (struct pcxhr_mgr*)(arg);
int capture_mask = 0;
int playback_mask = 0;
@@ -736,11 +734,11 @@ static void pcxhr_trigger_tasklet(unsigned long arg)
}
if (capture_mask == 0 && playback_mask == 0) {
mutex_unlock(&mgr->setup_mutex);
- dev_err(&mgr->pci->dev, "pcxhr_trigger_tasklet : no pipes\n");
+ dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : no pipes\n");
return;
}
- dev_dbg(&mgr->pci->dev, "pcxhr_trigger_tasklet : "
+ dev_dbg(&mgr->pci->dev, "pcxhr_start_linked_stream : "
"playback_mask=%x capture_mask=%x\n",
playback_mask, capture_mask);
@@ -748,7 +746,7 @@ static void pcxhr_trigger_tasklet(unsigned long arg)
err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 0);
if (err) {
mutex_unlock(&mgr->setup_mutex);
- dev_err(&mgr->pci->dev, "pcxhr_trigger_tasklet : "
+ dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : "
"error stop pipes (P%x C%x)\n",
playback_mask, capture_mask);
return;
@@ -793,7 +791,7 @@ static void pcxhr_trigger_tasklet(unsigned long arg)
err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
if (err) {
mutex_unlock(&mgr->setup_mutex);
- dev_err(&mgr->pci->dev, "pcxhr_trigger_tasklet : "
+ dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : "
"error start pipes (P%x C%x)\n",
playback_mask, capture_mask);
return;
@@ -802,7 +800,7 @@ static void pcxhr_trigger_tasklet(unsigned long arg)
/* put the streams into the running state now
* (increment pointer by interrupt)
*/
- spin_lock_irqsave(&mgr->lock, flags);
+ mutex_lock(&mgr->lock);
for ( i =0; i < mgr->num_cards; i++) {
struct pcxhr_stream *stream;
chip = mgr->chip[i];
@@ -820,13 +818,13 @@ static void pcxhr_trigger_tasklet(unsigned long arg)
}
}
}
- spin_unlock_irqrestore(&mgr->lock, flags);
+ mutex_unlock(&mgr->lock);
mutex_unlock(&mgr->setup_mutex);
#ifdef CONFIG_SND_DEBUG_VERBOSE
do_gettimeofday(&my_tv2);
- dev_dbg(&mgr->pci->dev, "***TRIGGER TASKLET*** TIME = %ld (err = %x)\n",
+ dev_dbg(&mgr->pci->dev, "***TRIGGER START*** TIME = %ld (err = %x)\n",
(long)(my_tv2.tv_usec - my_tv1.tv_usec), err);
#endif
}
@@ -853,7 +851,7 @@ static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd)
PCXHR_STREAM_STATUS_SCHEDULE_RUN;
snd_pcm_trigger_done(s, subs);
}
- tasklet_schedule(&chip->mgr->trigger_taskq);
+ pcxhr_start_linked_stream(chip->mgr);
} else {
stream = subs->runtime->private_data;
snd_printdd("Only one Substream %c %d\n",
@@ -1127,20 +1125,19 @@ static int pcxhr_close(struct snd_pcm_substream *subs)
static snd_pcm_uframes_t pcxhr_stream_pointer(struct snd_pcm_substream *subs)
{
- unsigned long flags;
u_int32_t timer_period_frag;
int timer_buf_periods;
struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
struct snd_pcm_runtime *runtime = subs->runtime;
struct pcxhr_stream *stream = runtime->private_data;
- spin_lock_irqsave(&chip->mgr->lock, flags);
+ mutex_lock(&chip->mgr->lock);
/* get the period fragment and the nb of periods in the buffer */
timer_period_frag = stream->timer_period_frag;
timer_buf_periods = stream->timer_buf_periods;
- spin_unlock_irqrestore(&chip->mgr->lock, flags);
+ mutex_unlock(&chip->mgr->lock);
return (snd_pcm_uframes_t)((timer_buf_periods * runtime->period_size) +
timer_period_frag);
@@ -1181,6 +1178,7 @@ int pcxhr_create_pcm(struct snd_pcxhr *chip)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcxhr_ops);
pcm->info_flags = 0;
+ pcm->nonatomic = true;
strcpy(pcm->name, name);
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
@@ -1588,8 +1586,9 @@ static int pcxhr_probe(struct pci_dev *pci,
mgr->pci = pci;
mgr->irq = -1;
- if (request_irq(pci->irq, pcxhr_interrupt, IRQF_SHARED,
- KBUILD_MODNAME, mgr)) {
+ if (request_threaded_irq(pci->irq, pcxhr_interrupt,
+ pcxhr_threaded_irq, IRQF_SHARED,
+ KBUILD_MODNAME, mgr)) {
dev_err(&pci->dev, "unable to grab IRQ %d\n", pci->irq);
pcxhr_free(mgr);
return -EBUSY;
@@ -1601,19 +1600,13 @@ static int pcxhr_probe(struct pci_dev *pci,
mgr->shortname,
mgr->port[0], mgr->port[1], mgr->port[2], mgr->irq);
- /* ISR spinlock */
- spin_lock_init(&mgr->lock);
- spin_lock_init(&mgr->msg_lock);
+ /* ISR lock */
+ mutex_init(&mgr->lock);
+ mutex_init(&mgr->msg_lock);
/* init setup mutex*/
mutex_init(&mgr->setup_mutex);
- /* init taslket */
- tasklet_init(&mgr->msg_taskq, pcxhr_msg_tasklet,
- (unsigned long) mgr);
- tasklet_init(&mgr->trigger_taskq, pcxhr_trigger_tasklet,
- (unsigned long) mgr);
-
mgr->prmh = kmalloc(sizeof(*mgr->prmh) +
sizeof(u32) * (PCXHR_SIZE_MAX_LONG_STATUS -
PCXHR_SIZE_MAX_STATUS),