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-rw-r--r--sound/core/Kconfig21
-rw-r--r--sound/core/Makefile2
-rw-r--r--sound/core/device.c4
-rw-r--r--sound/core/hrtimer.c155
-rw-r--r--sound/core/info.c17
-rw-r--r--sound/core/init.c71
-rw-r--r--sound/core/jack.c15
-rw-r--r--sound/core/rawmidi.c4
-rw-r--r--sound/core/rtctimer.c2
-rw-r--r--sound/core/seq/seq.c4
-rw-r--r--sound/core/timer.c2
11 files changed, 288 insertions, 9 deletions
diff --git a/sound/core/Kconfig b/sound/core/Kconfig
index 66348c92f88..7bbdda041a9 100644
--- a/sound/core/Kconfig
+++ b/sound/core/Kconfig
@@ -95,6 +95,26 @@ config SND_SEQUENCER_OSS
this will be compiled as a module. The module will be called
snd-seq-oss.
+config SND_HRTIMER
+ tristate "HR-timer backend support"
+ depends on HIGH_RES_TIMERS
+ select SND_TIMER
+ help
+ Say Y here to enable HR-timer backend for ALSA timer. ALSA uses
+ the hrtimer as a precise timing source. The ALSA sequencer code
+ also can use this timing source.
+
+ To compile this driver as a module, choose M here: the module
+ will be called snd-hrtimer.
+
+config SND_SEQ_HRTIMER_DEFAULT
+ bool "Use HR-timer as default sequencer timer"
+ depends on SND_HRTIMER && SND_SEQUENCER
+ default y
+ help
+ Say Y here to use the HR-timer backend as the default sequencer
+ timer.
+
config SND_RTCTIMER
tristate "RTC Timer support"
depends on RTC
@@ -114,6 +134,7 @@ config SND_RTCTIMER
config SND_SEQ_RTCTIMER_DEFAULT
bool "Use RTC as default sequencer timer"
depends on SND_RTCTIMER && SND_SEQUENCER
+ depends on !SND_SEQ_HRTIMER_DEFAULT
default y
help
Say Y here to use the RTC timer as the default sequencer
diff --git a/sound/core/Makefile b/sound/core/Makefile
index d57125a5687..4229052e7b9 100644
--- a/sound/core/Makefile
+++ b/sound/core/Makefile
@@ -17,12 +17,14 @@ snd-page-alloc-$(CONFIG_HAS_DMA) += sgbuf.o
snd-rawmidi-objs := rawmidi.o
snd-timer-objs := timer.o
+snd-hrtimer-objs := hrtimer.o
snd-rtctimer-objs := rtctimer.o
snd-hwdep-objs := hwdep.o
obj-$(CONFIG_SND) += snd.o
obj-$(CONFIG_SND_HWDEP) += snd-hwdep.o
obj-$(CONFIG_SND_TIMER) += snd-timer.o
+obj-$(CONFIG_SND_HRTIMER) += snd-hrtimer.o
obj-$(CONFIG_SND_RTCTIMER) += snd-rtctimer.o
obj-$(CONFIG_SND_PCM) += snd-pcm.o snd-page-alloc.o
obj-$(CONFIG_SND_RAWMIDI) += snd-rawmidi.o
diff --git a/sound/core/device.c b/sound/core/device.c
index c58d8227254..a67dfac08c0 100644
--- a/sound/core/device.c
+++ b/sound/core/device.c
@@ -98,7 +98,7 @@ int snd_device_free(struct snd_card *card, void *device_data)
kfree(dev);
return 0;
}
- snd_printd("device free %p (from %p), not found\n", device_data,
+ snd_printd("device free %p (from %pF), not found\n", device_data,
__builtin_return_address(0));
return -ENXIO;
}
@@ -135,7 +135,7 @@ int snd_device_disconnect(struct snd_card *card, void *device_data)
}
return 0;
}
- snd_printd("device disconnect %p (from %p), not found\n", device_data,
+ snd_printd("device disconnect %p (from %pF), not found\n", device_data,
__builtin_return_address(0));
return -ENXIO;
}
diff --git a/sound/core/hrtimer.c b/sound/core/hrtimer.c
new file mode 100644
index 00000000000..c1d285921f8
--- /dev/null
+++ b/sound/core/hrtimer.c
@@ -0,0 +1,155 @@
+/*
+ * ALSA timer back-end using hrtimer
+ * Copyright (C) 2008 Takashi Iwai
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/hrtimer.h>
+#include <sound/core.h>
+#include <sound/timer.h>
+
+MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
+MODULE_DESCRIPTION("ALSA hrtimer backend");
+MODULE_LICENSE("GPL");
+
+MODULE_ALIAS("snd-timer-" __stringify(SNDRV_TIMER_GLOBAL_HRTIMER));
+
+#define NANO_SEC 1000000000UL /* 10^9 in sec */
+static unsigned int resolution;
+
+struct snd_hrtimer {
+ struct snd_timer *timer;
+ struct hrtimer hrt;
+};
+
+static enum hrtimer_restart snd_hrtimer_callback(struct hrtimer *hrt)
+{
+ struct snd_hrtimer *stime = container_of(hrt, struct snd_hrtimer, hrt);
+ struct snd_timer *t = stime->timer;
+ hrtimer_forward_now(hrt, ns_to_ktime(t->sticks * resolution));
+ snd_timer_interrupt(stime->timer, t->sticks);
+ return HRTIMER_RESTART;
+}
+
+static int snd_hrtimer_open(struct snd_timer *t)
+{
+ struct snd_hrtimer *stime;
+
+ stime = kmalloc(sizeof(*stime), GFP_KERNEL);
+ if (!stime)
+ return -ENOMEM;
+ hrtimer_init(&stime->hrt, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+ stime->timer = t;
+ stime->hrt.cb_mode = HRTIMER_CB_IRQSAFE_UNLOCKED;
+ stime->hrt.function = snd_hrtimer_callback;
+ t->private_data = stime;
+ return 0;
+}
+
+static int snd_hrtimer_close(struct snd_timer *t)
+{
+ struct snd_hrtimer *stime = t->private_data;
+
+ if (stime) {
+ hrtimer_cancel(&stime->hrt);
+ kfree(stime);
+ t->private_data = NULL;
+ }
+ return 0;
+}
+
+static int snd_hrtimer_start(struct snd_timer *t)
+{
+ struct snd_hrtimer *stime = t->private_data;
+
+ hrtimer_start(&stime->hrt, ns_to_ktime(t->sticks * resolution),
+ HRTIMER_MODE_REL);
+ return 0;
+}
+
+static int snd_hrtimer_stop(struct snd_timer *t)
+{
+ struct snd_hrtimer *stime = t->private_data;
+
+ hrtimer_cancel(&stime->hrt);
+ return 0;
+}
+
+static struct snd_timer_hardware hrtimer_hw = {
+ .flags = SNDRV_TIMER_HW_AUTO,
+ .open = snd_hrtimer_open,
+ .close = snd_hrtimer_close,
+ .start = snd_hrtimer_start,
+ .stop = snd_hrtimer_stop,
+};
+
+/*
+ * entry functions
+ */
+
+static struct snd_timer *mytimer;
+
+static int __init snd_hrtimer_init(void)
+{
+ struct snd_timer *timer;
+ struct timespec tp;
+ int err;
+
+ hrtimer_get_res(CLOCK_MONOTONIC, &tp);
+ if (tp.tv_sec > 0 || !tp.tv_nsec) {
+ snd_printk(KERN_ERR
+ "snd-hrtimer: Invalid resolution %u.%09u",
+ (unsigned)tp.tv_sec, (unsigned)tp.tv_nsec);
+ return -EINVAL;
+ }
+ resolution = tp.tv_nsec;
+
+ /* Create a new timer and set up the fields */
+ err = snd_timer_global_new("hrtimer", SNDRV_TIMER_GLOBAL_HRTIMER,
+ &timer);
+ if (err < 0)
+ return err;
+
+ timer->module = THIS_MODULE;
+ strcpy(timer->name, "HR timer");
+ timer->hw = hrtimer_hw;
+ timer->hw.resolution = resolution;
+ timer->hw.ticks = NANO_SEC / resolution;
+
+ err = snd_timer_global_register(timer);
+ if (err < 0) {
+ snd_timer_global_free(timer);
+ return err;
+ }
+ mytimer = timer; /* remember this */
+
+ return 0;
+}
+
+static void __exit snd_hrtimer_exit(void)
+{
+ if (mytimer) {
+ snd_timer_global_free(mytimer);
+ mytimer = NULL;
+ }
+}
+
+module_init(snd_hrtimer_init);
+module_exit(snd_hrtimer_exit);
diff --git a/sound/core/info.c b/sound/core/info.c
index 527b207462b..70fa87189f3 100644
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -653,6 +653,23 @@ int snd_info_card_register(struct snd_card *card)
}
/*
+ * called on card->id change
+ */
+void snd_info_card_id_change(struct snd_card *card)
+{
+ mutex_lock(&info_mutex);
+ if (card->proc_root_link) {
+ snd_remove_proc_entry(snd_proc_root, card->proc_root_link);
+ card->proc_root_link = NULL;
+ }
+ if (strcmp(card->id, card->proc_root->name))
+ card->proc_root_link = proc_symlink(card->id,
+ snd_proc_root,
+ card->proc_root->name);
+ mutex_unlock(&info_mutex);
+}
+
+/*
* de-register the card proc file
* called from init.c
*/
diff --git a/sound/core/init.c b/sound/core/init.c
index b47ff8b44be..0d5520c415d 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -533,6 +533,65 @@ static void choose_default_id(struct snd_card *card)
}
}
+#ifndef CONFIG_SYSFS_DEPRECATED
+static ssize_t
+card_id_show_attr(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct snd_card *card = dev_get_drvdata(dev);
+ return snprintf(buf, PAGE_SIZE, "%s\n", card ? card->id : "(null)");
+}
+
+static ssize_t
+card_id_store_attr(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct snd_card *card = dev_get_drvdata(dev);
+ char buf1[sizeof(card->id)];
+ size_t copy = count > sizeof(card->id) - 1 ?
+ sizeof(card->id) - 1 : count;
+ size_t idx;
+ int c;
+
+ for (idx = 0; idx < copy; idx++) {
+ c = buf[idx];
+ if (!isalnum(c) && c != '_' && c != '-')
+ return -EINVAL;
+ }
+ memcpy(buf1, buf, copy);
+ buf1[copy] = '\0';
+ mutex_lock(&snd_card_mutex);
+ if (!snd_info_check_reserved_words(buf1)) {
+ __exist:
+ mutex_unlock(&snd_card_mutex);
+ return -EEXIST;
+ }
+ for (idx = 0; idx < snd_ecards_limit; idx++) {
+ if (snd_cards[idx] && !strcmp(snd_cards[idx]->id, buf1))
+ goto __exist;
+ }
+ strcpy(card->id, buf1);
+ snd_info_card_id_change(card);
+ mutex_unlock(&snd_card_mutex);
+
+ return count;
+}
+
+static struct device_attribute card_id_attrs =
+ __ATTR(id, S_IRUGO | S_IWUSR, card_id_show_attr, card_id_store_attr);
+
+static ssize_t
+card_number_show_attr(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct snd_card *card = dev_get_drvdata(dev);
+ return snprintf(buf, PAGE_SIZE, "%i\n", card ? card->number : -1);
+}
+
+static struct device_attribute card_number_attrs =
+ __ATTR(number, S_IRUGO, card_number_show_attr, NULL);
+#endif /* CONFIG_SYSFS_DEPRECATED */
+
/**
* snd_card_register - register the soundcard
* @card: soundcard structure
@@ -553,7 +612,7 @@ int snd_card_register(struct snd_card *card)
#ifndef CONFIG_SYSFS_DEPRECATED
if (!card->card_dev) {
card->card_dev = device_create(sound_class, card->dev,
- MKDEV(0, 0), NULL,
+ MKDEV(0, 0), card,
"card%i", card->number);
if (IS_ERR(card->card_dev))
card->card_dev = NULL;
@@ -576,6 +635,16 @@ int snd_card_register(struct snd_card *card)
if (snd_mixer_oss_notify_callback)
snd_mixer_oss_notify_callback(card, SND_MIXER_OSS_NOTIFY_REGISTER);
#endif
+#ifndef CONFIG_SYSFS_DEPRECATED
+ if (card->card_dev) {
+ err = device_create_file(card->card_dev, &card_id_attrs);
+ if (err < 0)
+ return err;
+ err = device_create_file(card->card_dev, &card_number_attrs);
+ if (err < 0)
+ return err;
+ }
+#endif
return 0;
}
diff --git a/sound/core/jack.c b/sound/core/jack.c
index bd2d9e6b55e..dd4a12dc09a 100644
--- a/sound/core/jack.c
+++ b/sound/core/jack.c
@@ -34,6 +34,7 @@ static int snd_jack_dev_free(struct snd_device *device)
else
input_free_device(jack->input_dev);
+ kfree(jack->id);
kfree(jack);
return 0;
@@ -87,7 +88,7 @@ int snd_jack_new(struct snd_card *card, const char *id, int type,
if (jack == NULL)
return -ENOMEM;
- jack->id = id;
+ jack->id = kstrdup(id, GFP_KERNEL);
jack->input_dev = input_allocate_device();
if (jack->input_dev == NULL) {
@@ -102,9 +103,15 @@ int snd_jack_new(struct snd_card *card, const char *id, int type,
if (type & SND_JACK_HEADPHONE)
input_set_capability(jack->input_dev, EV_SW,
SW_HEADPHONE_INSERT);
+ if (type & SND_JACK_LINEOUT)
+ input_set_capability(jack->input_dev, EV_SW,
+ SW_LINEOUT_INSERT);
if (type & SND_JACK_MICROPHONE)
input_set_capability(jack->input_dev, EV_SW,
SW_MICROPHONE_INSERT);
+ if (type & SND_JACK_MECHANICAL)
+ input_set_capability(jack->input_dev, EV_SW,
+ SW_JACK_PHYSICAL_INSERT);
err = snd_device_new(card, SNDRV_DEV_JACK, jack, &ops);
if (err < 0)
@@ -153,9 +160,15 @@ void snd_jack_report(struct snd_jack *jack, int status)
if (jack->type & SND_JACK_HEADPHONE)
input_report_switch(jack->input_dev, SW_HEADPHONE_INSERT,
status & SND_JACK_HEADPHONE);
+ if (jack->type & SND_JACK_LINEOUT)
+ input_report_switch(jack->input_dev, SW_LINEOUT_INSERT,
+ status & SND_JACK_LINEOUT);
if (jack->type & SND_JACK_MICROPHONE)
input_report_switch(jack->input_dev, SW_MICROPHONE_INSERT,
status & SND_JACK_MICROPHONE);
+ if (jack->type & SND_JACK_MECHANICAL)
+ input_report_switch(jack->input_dev, SW_JACK_PHYSICAL_INSERT,
+ status & SND_JACK_MECHANICAL);
input_sync(jack->input_dev);
}
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index 39672f68ce5..002777ba336 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -151,7 +151,7 @@ static inline void snd_rawmidi_output_trigger(struct snd_rawmidi_substream *subs
if (!substream->opened)
return;
if (up) {
- tasklet_hi_schedule(&substream->runtime->tasklet);
+ tasklet_schedule(&substream->runtime->tasklet);
} else {
tasklet_kill(&substream->runtime->tasklet);
substream->ops->trigger(substream, 0);
@@ -908,7 +908,7 @@ int snd_rawmidi_receive(struct snd_rawmidi_substream *substream,
}
if (result > 0) {
if (runtime->event)
- tasklet_hi_schedule(&runtime->tasklet);
+ tasklet_schedule(&runtime->tasklet);
else if (snd_rawmidi_ready(substream))
wake_up(&runtime->sleep);
}
diff --git a/sound/core/rtctimer.c b/sound/core/rtctimer.c
index 51e64e30dd3..0851cd13e30 100644
--- a/sound/core/rtctimer.c
+++ b/sound/core/rtctimer.c
@@ -118,7 +118,7 @@ static void rtctimer_tasklet(unsigned long data)
*/
static void rtctimer_interrupt(void *private_data)
{
- tasklet_hi_schedule(private_data);
+ tasklet_schedule(private_data);
}
diff --git a/sound/core/seq/seq.c b/sound/core/seq/seq.c
index ee0f8405ab3..bf09a5ad186 100644
--- a/sound/core/seq/seq.c
+++ b/sound/core/seq/seq.c
@@ -43,7 +43,9 @@ int seq_default_timer_class = SNDRV_TIMER_CLASS_GLOBAL;
int seq_default_timer_sclass = SNDRV_TIMER_SCLASS_NONE;
int seq_default_timer_card = -1;
int seq_default_timer_device =
-#ifdef CONFIG_SND_SEQ_RTCTIMER_DEFAULT
+#ifdef CONFIG_SND_SEQ_HRTIMER_DEFAULT
+ SNDRV_TIMER_GLOBAL_HRTIMER
+#elif defined(CONFIG_SND_SEQ_RTCTIMER_DEFAULT)
SNDRV_TIMER_GLOBAL_RTC
#else
SNDRV_TIMER_GLOBAL_SYSTEM
diff --git a/sound/core/timer.c b/sound/core/timer.c
index c584408c9f1..796532081e8 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -743,7 +743,7 @@ void snd_timer_interrupt(struct snd_timer * timer, unsigned long ticks_left)
spin_unlock_irqrestore(&timer->lock, flags);
if (use_tasklet)
- tasklet_hi_schedule(&timer->task_queue);
+ tasklet_schedule(&timer->task_queue);
}
/*