Merge "hrtimer: Don't reinitialize a cpu_base's lock on CPU_UP"
diff --git a/Documentation/ABI/testing/sysfs-class-devfreq b/Documentation/ABI/testing/sysfs-class-devfreq
index 23d78b5..89283b1 100644
--- a/Documentation/ABI/testing/sysfs-class-devfreq
+++ b/Documentation/ABI/testing/sysfs-class-devfreq
@@ -21,14 +21,6 @@
The /sys/class/devfreq/.../cur_freq shows the current
frequency of the corresponding devfreq object.
-What: /sys/class/devfreq/.../central_polling
-Date: September 2011
-Contact: MyungJoo Ham <myungjoo.ham@samsung.com>
-Description:
- The /sys/class/devfreq/.../central_polling shows whether
- the devfreq ojbect is using devfreq-provided central
- polling mechanism or not.
-
What: /sys/class/devfreq/.../polling_interval
Date: September 2011
Contact: MyungJoo Ham <myungjoo.ham@samsung.com>
diff --git a/arch/arm/mach-msm/acpuclock-krait-debug.c b/arch/arm/mach-msm/acpuclock-krait-debug.c
index a29735e..f11b9fc 100644
--- a/arch/arm/mach-msm/acpuclock-krait-debug.c
+++ b/arch/arm/mach-msm/acpuclock-krait-debug.c
@@ -249,6 +249,56 @@
}
DEFINE_SIMPLE_ATTRIBUTE(boost_fops, boost_get, NULL, "%lld\n");
+static int acpu_table_show(struct seq_file *m, void *unused)
+{
+ const struct acpu_level *level;
+
+ seq_printf(m, "CPU_KHz PLL_L_Val L2_KHz VDD_Dig VDD_Mem ");
+ seq_printf(m, "BW_Mbps VDD_Core UA_Core AVS\n");
+
+ for (level = drv->acpu_freq_tbl; level->speed.khz != 0; level++) {
+
+ const struct l2_level *l2 =
+ &drv->l2_freq_tbl[level->l2_level];
+ u32 bw = drv->bus_scale->usecase[l2->bw_level].vectors[0].ib;
+
+ if (!level->use_for_scaling)
+ continue;
+
+ /* CPU speed information */
+ seq_printf(m, "%7lu %9u ",
+ level->speed.khz,
+ level->speed.pll_l_val);
+
+ /* L2 level information */
+ seq_printf(m, "%7lu %7d %7d %7u ",
+ l2->speed.khz,
+ l2->vdd_dig,
+ l2->vdd_mem,
+ bw / 1000000);
+
+ /* Core voltage information */
+ seq_printf(m, "%8d %7d %3d\n",
+ level->vdd_core,
+ level->ua_core,
+ level->avsdscr_setting);
+ }
+
+ return 0;
+}
+
+static int acpu_table_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, acpu_table_show, inode->i_private);
+}
+
+static const struct file_operations acpu_table_fops = {
+ .open = acpu_table_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
static void __cpuinit add_scalable_dir(int sc_id)
{
char sc_name[8];
@@ -326,6 +376,8 @@
&speed_bin_fops);
debugfs_create_file("pvs_bin", S_IRUGO, base_dir, NULL, &pvs_bin_fops);
debugfs_create_file("boost_uv", S_IRUGO, base_dir, NULL, &boost_fops);
+ debugfs_create_file("acpu_table", S_IRUGO, base_dir, NULL,
+ &acpu_table_fops);
for_each_online_cpu(cpu)
add_scalable_dir(cpu);
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 70c31d4..359107f 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -30,17 +30,11 @@
struct class *devfreq_class;
/*
- * devfreq_work periodically monitors every registered device.
- * The minimum polling interval is one jiffy. The polling interval is
- * determined by the minimum polling period among all polling devfreq
- * devices. The resolution of polling interval is one jiffy.
+ * devfreq core provides delayed work based load monitoring helper
+ * functions. Governors can use these or can implement their own
+ * monitoring mechanism.
*/
-static bool polling;
static struct workqueue_struct *devfreq_wq;
-static struct delayed_work devfreq_work;
-
-/* wait removing if this is to be removed */
-static struct devfreq *wait_remove_device;
/* The list of all device-devfreq */
static LIST_HEAD(devfreq_list);
@@ -72,6 +66,8 @@
return ERR_PTR(-ENODEV);
}
+/* Load monitoring helper functions for governors use */
+
/**
* update_devfreq() - Reevaluate the device and configure frequency.
* @devfreq: the devfreq instance.
@@ -121,6 +117,152 @@
}
/**
+ * devfreq_monitor() - Periodically poll devfreq objects.
+ * @work: the work struct used to run devfreq_monitor periodically.
+ *
+ */
+static void devfreq_monitor(struct work_struct *work)
+{
+ int err;
+ struct devfreq *devfreq = container_of(work,
+ struct devfreq, work.work);
+
+ mutex_lock(&devfreq->lock);
+ err = update_devfreq(devfreq);
+ if (err)
+ dev_err(&devfreq->dev, "dvfs failed with (%d) error\n", err);
+
+ queue_delayed_work(devfreq_wq, &devfreq->work,
+ msecs_to_jiffies(devfreq->profile->polling_ms));
+ mutex_unlock(&devfreq->lock);
+}
+
+/**
+ * devfreq_monitor_start() - Start load monitoring of devfreq instance
+ * @devfreq: the devfreq instance.
+ *
+ * Helper function for starting devfreq device load monitoing. By
+ * default delayed work based monitoring is supported. Function
+ * to be called from governor in response to DEVFREQ_GOV_START
+ * event when device is added to devfreq framework.
+ */
+void devfreq_monitor_start(struct devfreq *devfreq)
+{
+ INIT_DELAYED_WORK_DEFERRABLE(&devfreq->work, devfreq_monitor);
+ if (devfreq->profile->polling_ms)
+ queue_delayed_work(devfreq_wq, &devfreq->work,
+ msecs_to_jiffies(devfreq->profile->polling_ms));
+}
+
+/**
+ * devfreq_monitor_stop() - Stop load monitoring of a devfreq instance
+ * @devfreq: the devfreq instance.
+ *
+ * Helper function to stop devfreq device load monitoing. Function
+ * to be called from governor in response to DEVFREQ_GOV_STOP
+ * event when device is removed from devfreq framework.
+ */
+void devfreq_monitor_stop(struct devfreq *devfreq)
+{
+ cancel_delayed_work_sync(&devfreq->work);
+}
+
+/**
+ * devfreq_monitor_suspend() - Suspend load monitoring of a devfreq instance
+ * @devfreq: the devfreq instance.
+ *
+ * Helper function to suspend devfreq device load monitoing. Function
+ * to be called from governor in response to DEVFREQ_GOV_SUSPEND
+ * event or when polling interval is set to zero.
+ *
+ * Note: Though this function is same as devfreq_monitor_stop(),
+ * intentionally kept separate to provide hooks for collecting
+ * transition statistics.
+ */
+void devfreq_monitor_suspend(struct devfreq *devfreq)
+{
+ mutex_lock(&devfreq->lock);
+ if (devfreq->stop_polling) {
+ mutex_unlock(&devfreq->lock);
+ return;
+ }
+
+ devfreq->stop_polling = true;
+ mutex_unlock(&devfreq->lock);
+ cancel_delayed_work_sync(&devfreq->work);
+}
+
+/**
+ * devfreq_monitor_resume() - Resume load monitoring of a devfreq instance
+ * @devfreq: the devfreq instance.
+ *
+ * Helper function to resume devfreq device load monitoing. Function
+ * to be called from governor in response to DEVFREQ_GOV_RESUME
+ * event or when polling interval is set to non-zero.
+ */
+void devfreq_monitor_resume(struct devfreq *devfreq)
+{
+ mutex_lock(&devfreq->lock);
+ if (!devfreq->stop_polling)
+ goto out;
+
+ if (!delayed_work_pending(&devfreq->work) &&
+ devfreq->profile->polling_ms)
+ queue_delayed_work(devfreq_wq, &devfreq->work,
+ msecs_to_jiffies(devfreq->profile->polling_ms));
+ devfreq->stop_polling = false;
+
+out:
+ mutex_unlock(&devfreq->lock);
+}
+
+/**
+ * devfreq_interval_update() - Update device devfreq monitoring interval
+ * @devfreq: the devfreq instance.
+ * @delay: new polling interval to be set.
+ *
+ * Helper function to set new load monitoring polling interval. Function
+ * to be called from governor in response to DEVFREQ_GOV_INTERVAL event.
+ */
+void devfreq_interval_update(struct devfreq *devfreq, unsigned int *delay)
+{
+ unsigned int cur_delay = devfreq->profile->polling_ms;
+ unsigned int new_delay = *delay;
+
+ mutex_lock(&devfreq->lock);
+ devfreq->profile->polling_ms = new_delay;
+
+ if (devfreq->stop_polling)
+ goto out;
+
+ /* if new delay is zero, stop polling */
+ if (!new_delay) {
+ mutex_unlock(&devfreq->lock);
+ cancel_delayed_work_sync(&devfreq->work);
+ return;
+ }
+
+ /* if current delay is zero, start polling with new delay */
+ if (!cur_delay) {
+ queue_delayed_work(devfreq_wq, &devfreq->work,
+ msecs_to_jiffies(devfreq->profile->polling_ms));
+ goto out;
+ }
+
+ /* if current delay is greater than new delay, restart polling */
+ if (cur_delay > new_delay) {
+ mutex_unlock(&devfreq->lock);
+ cancel_delayed_work_sync(&devfreq->work);
+ mutex_lock(&devfreq->lock);
+ if (!devfreq->stop_polling)
+ queue_delayed_work(devfreq_wq, &devfreq->work,
+ msecs_to_jiffies(devfreq->profile->polling_ms));
+ }
+out:
+ mutex_unlock(&devfreq->lock);
+}
+
+/**
* devfreq_notifier_call() - Notify that the device frequency requirements
* has been changed out of devfreq framework.
* @nb the notifier_block (supposed to be devfreq->nb)
@@ -143,59 +285,32 @@
}
/**
- * _remove_devfreq() - Remove devfreq from the device.
+ * _remove_devfreq() - Remove devfreq from the list and release its resources.
* @devfreq: the devfreq struct
* @skip: skip calling device_unregister().
- *
- * Note that the caller should lock devfreq->lock before calling
- * this. _remove_devfreq() will unlock it and free devfreq
- * internally. devfreq_list_lock should be locked by the caller
- * as well (not relased at return)
- *
- * Lock usage:
- * devfreq->lock: locked before call.
- * unlocked at return (and freed)
- * devfreq_list_lock: locked before call.
- * kept locked at return.
- * if devfreq is centrally polled.
- *
- * Freed memory:
- * devfreq
*/
static void _remove_devfreq(struct devfreq *devfreq, bool skip)
{
- if (!mutex_is_locked(&devfreq->lock)) {
- WARN(true, "devfreq->lock must be locked by the caller.\n");
+ mutex_lock(&devfreq_list_lock);
+ if (IS_ERR(find_device_devfreq(devfreq->dev.parent))) {
+ mutex_unlock(&devfreq_list_lock);
+ dev_warn(&devfreq->dev, "releasing devfreq which doesn't exist\n");
return;
}
- if (!devfreq->governor->no_central_polling &&
- !mutex_is_locked(&devfreq_list_lock)) {
- WARN(true, "devfreq_list_lock must be locked by the caller.\n");
- return;
- }
+ list_del(&devfreq->node);
+ mutex_unlock(&devfreq_list_lock);
- if (devfreq->being_removed)
- return;
-
- devfreq->being_removed = true;
+ devfreq->governor->event_handler(devfreq, DEVFREQ_GOV_STOP, NULL);
if (devfreq->profile->exit)
devfreq->profile->exit(devfreq->dev.parent);
- if (devfreq->governor->exit)
- devfreq->governor->exit(devfreq);
-
if (!skip && get_device(&devfreq->dev)) {
device_unregister(&devfreq->dev);
put_device(&devfreq->dev);
}
- if (!devfreq->governor->no_central_polling)
- list_del(&devfreq->node);
-
- mutex_unlock(&devfreq->lock);
mutex_destroy(&devfreq->lock);
-
kfree(devfreq);
}
@@ -210,130 +325,8 @@
static void devfreq_dev_release(struct device *dev)
{
struct devfreq *devfreq = to_devfreq(dev);
- bool central_polling = !devfreq->governor->no_central_polling;
- /*
- * If devfreq_dev_release() was called by device_unregister() of
- * _remove_devfreq(), we cannot mutex_lock(&devfreq->lock) and
- * being_removed is already set. This also partially checks the case
- * where devfreq_dev_release() is called from a thread other than
- * the one called _remove_devfreq(); however, this case is
- * dealt completely with another following being_removed check.
- *
- * Because being_removed is never being
- * unset, we do not need to worry about race conditions on
- * being_removed.
- */
- if (devfreq->being_removed)
- return;
-
- if (central_polling)
- mutex_lock(&devfreq_list_lock);
-
- mutex_lock(&devfreq->lock);
-
- /*
- * Check being_removed flag again for the case where
- * devfreq_dev_release() was called in a thread other than the one
- * possibly called _remove_devfreq().
- */
- if (devfreq->being_removed) {
- mutex_unlock(&devfreq->lock);
- goto out;
- }
-
- /* devfreq->lock is unlocked and removed in _removed_devfreq() */
_remove_devfreq(devfreq, true);
-
-out:
- if (central_polling)
- mutex_unlock(&devfreq_list_lock);
-}
-
-/**
- * devfreq_monitor() - Periodically poll devfreq objects.
- * @work: the work struct used to run devfreq_monitor periodically.
- *
- */
-static void devfreq_monitor(struct work_struct *work)
-{
- static unsigned long last_polled_at;
- struct devfreq *devfreq, *tmp;
- int error;
- unsigned long jiffies_passed;
- unsigned long next_jiffies = ULONG_MAX, now = jiffies;
- struct device *dev;
-
- /* Initially last_polled_at = 0, polling every device at bootup */
- jiffies_passed = now - last_polled_at;
- last_polled_at = now;
- if (jiffies_passed == 0)
- jiffies_passed = 1;
-
- mutex_lock(&devfreq_list_lock);
- list_for_each_entry_safe(devfreq, tmp, &devfreq_list, node) {
- mutex_lock(&devfreq->lock);
- dev = devfreq->dev.parent;
-
- /* Do not remove tmp for a while */
- wait_remove_device = tmp;
-
- if (devfreq->governor->no_central_polling ||
- devfreq->next_polling == 0) {
- mutex_unlock(&devfreq->lock);
- continue;
- }
- mutex_unlock(&devfreq_list_lock);
-
- /*
- * Reduce more next_polling if devfreq_wq took an extra
- * delay. (i.e., CPU has been idled.)
- */
- if (devfreq->next_polling <= jiffies_passed) {
- error = update_devfreq(devfreq);
-
- /* Remove a devfreq with an error. */
- if (error && error != -EAGAIN) {
-
- dev_err(dev, "Due to update_devfreq error(%d), devfreq(%s) is removed from the device\n",
- error, devfreq->governor->name);
-
- /*
- * Unlock devfreq before locking the list
- * in order to avoid deadlock with
- * find_device_devfreq or others
- */
- mutex_unlock(&devfreq->lock);
- mutex_lock(&devfreq_list_lock);
- /* Check if devfreq is already removed */
- if (IS_ERR(find_device_devfreq(dev)))
- continue;
- mutex_lock(&devfreq->lock);
- /* This unlocks devfreq->lock and free it */
- _remove_devfreq(devfreq, false);
- continue;
- }
- devfreq->next_polling = devfreq->polling_jiffies;
- } else {
- devfreq->next_polling -= jiffies_passed;
- }
-
- if (devfreq->next_polling)
- next_jiffies = (next_jiffies > devfreq->next_polling) ?
- devfreq->next_polling : next_jiffies;
-
- mutex_unlock(&devfreq->lock);
- mutex_lock(&devfreq_list_lock);
- }
- wait_remove_device = NULL;
- mutex_unlock(&devfreq_list_lock);
-
- if (next_jiffies > 0 && next_jiffies < ULONG_MAX) {
- polling = true;
- queue_delayed_work(devfreq_wq, &devfreq_work, next_jiffies);
- } else {
- polling = false;
- }
}
/**
@@ -357,16 +350,13 @@
return ERR_PTR(-EINVAL);
}
-
- if (!governor->no_central_polling) {
- mutex_lock(&devfreq_list_lock);
- devfreq = find_device_devfreq(dev);
- mutex_unlock(&devfreq_list_lock);
- if (!IS_ERR(devfreq)) {
- dev_err(dev, "%s: Unable to create devfreq for the device. It already has one.\n", __func__);
- err = -EINVAL;
- goto err_out;
- }
+ mutex_lock(&devfreq_list_lock);
+ devfreq = find_device_devfreq(dev);
+ mutex_unlock(&devfreq_list_lock);
+ if (!IS_ERR(devfreq)) {
+ dev_err(dev, "%s: Unable to create devfreq for the device. It already has one.\n", __func__);
+ err = -EINVAL;
+ goto err_out;
}
devfreq = kzalloc(sizeof(struct devfreq), GFP_KERNEL);
@@ -386,48 +376,41 @@
devfreq->governor = governor;
devfreq->previous_freq = profile->initial_freq;
devfreq->data = data;
- devfreq->next_polling = devfreq->polling_jiffies
- = msecs_to_jiffies(devfreq->profile->polling_ms);
devfreq->nb.notifier_call = devfreq_notifier_call;
dev_set_name(&devfreq->dev, dev_name(dev));
err = device_register(&devfreq->dev);
if (err) {
put_device(&devfreq->dev);
+ mutex_unlock(&devfreq->lock);
goto err_dev;
}
- if (governor->init)
- err = governor->init(devfreq);
- if (err)
- goto err_init;
-
mutex_unlock(&devfreq->lock);
- if (governor->no_central_polling)
- goto out;
-
mutex_lock(&devfreq_list_lock);
-
list_add(&devfreq->node, &devfreq_list);
-
- if (devfreq_wq && devfreq->next_polling && !polling) {
- polling = true;
- queue_delayed_work(devfreq_wq, &devfreq_work,
- devfreq->next_polling);
- }
mutex_unlock(&devfreq_list_lock);
-out:
+
+ err = devfreq->governor->event_handler(devfreq,
+ DEVFREQ_GOV_START, NULL);
+ if (err) {
+ dev_err(dev, "%s: Unable to start governor for the device\n",
+ __func__);
+ goto err_init;
+ }
+
return devfreq;
err_init:
+ list_del(&devfreq->node);
device_unregister(&devfreq->dev);
err_dev:
- mutex_unlock(&devfreq->lock);
kfree(devfreq);
err_out:
return ERR_PTR(err);
}
+EXPORT_SYMBOL(devfreq_add_device);
/**
* devfreq_remove_device() - Remove devfreq feature from a device.
@@ -435,30 +418,42 @@
*/
int devfreq_remove_device(struct devfreq *devfreq)
{
- bool central_polling;
-
if (!devfreq)
return -EINVAL;
- central_polling = !devfreq->governor->no_central_polling;
-
- if (central_polling) {
- mutex_lock(&devfreq_list_lock);
- while (wait_remove_device == devfreq) {
- mutex_unlock(&devfreq_list_lock);
- schedule();
- mutex_lock(&devfreq_list_lock);
- }
- }
-
- mutex_lock(&devfreq->lock);
- _remove_devfreq(devfreq, false); /* it unlocks devfreq->lock */
-
- if (central_polling)
- mutex_unlock(&devfreq_list_lock);
+ _remove_devfreq(devfreq, false);
return 0;
}
+EXPORT_SYMBOL(devfreq_remove_device);
+
+/**
+ * devfreq_suspend_device() - Suspend devfreq of a device.
+ * @devfreq: the devfreq instance to be suspended
+ */
+int devfreq_suspend_device(struct devfreq *devfreq)
+{
+ if (!devfreq)
+ return -EINVAL;
+
+ return devfreq->governor->event_handler(devfreq,
+ DEVFREQ_GOV_SUSPEND, NULL);
+}
+EXPORT_SYMBOL(devfreq_suspend_device);
+
+/**
+ * devfreq_resume_device() - Resume devfreq of a device.
+ * @devfreq: the devfreq instance to be resumed
+ */
+int devfreq_resume_device(struct devfreq *devfreq)
+{
+ if (!devfreq)
+ return -EINVAL;
+
+ return devfreq->governor->event_handler(devfreq,
+ DEVFREQ_GOV_RESUME, NULL);
+}
+EXPORT_SYMBOL(devfreq_resume_device);
static ssize_t show_governor(struct device *dev,
struct device_attribute *attr, char *buf)
@@ -490,35 +485,13 @@
if (ret != 1)
goto out;
- mutex_lock(&df->lock);
- df->profile->polling_ms = value;
- df->next_polling = df->polling_jiffies
- = msecs_to_jiffies(value);
- mutex_unlock(&df->lock);
-
+ df->governor->event_handler(df, DEVFREQ_GOV_INTERVAL, &value);
ret = count;
- if (df->governor->no_central_polling)
- goto out;
-
- mutex_lock(&devfreq_list_lock);
- if (df->next_polling > 0 && !polling) {
- polling = true;
- queue_delayed_work(devfreq_wq, &devfreq_work,
- df->next_polling);
- }
- mutex_unlock(&devfreq_list_lock);
out:
return ret;
}
-static ssize_t show_central_polling(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "%d\n",
- !to_devfreq(dev)->governor->no_central_polling);
-}
-
static ssize_t store_min_freq(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
@@ -590,7 +563,6 @@
static struct device_attribute devfreq_attrs[] = {
__ATTR(governor, S_IRUGO, show_governor, NULL),
__ATTR(cur_freq, S_IRUGO, show_freq, NULL),
- __ATTR(central_polling, S_IRUGO, show_central_polling, NULL),
__ATTR(polling_interval, S_IRUGO | S_IWUSR, show_polling_interval,
store_polling_interval),
__ATTR(min_freq, S_IRUGO | S_IWUSR, show_min_freq, store_min_freq),
@@ -598,23 +570,6 @@
{ },
};
-/**
- * devfreq_start_polling() - Initialize data structure for devfreq framework and
- * start polling registered devfreq devices.
- */
-static int __init devfreq_start_polling(void)
-{
- mutex_lock(&devfreq_list_lock);
- polling = false;
- devfreq_wq = create_freezable_workqueue("devfreq_wq");
- INIT_DELAYED_WORK_DEFERRABLE(&devfreq_work, devfreq_monitor);
- mutex_unlock(&devfreq_list_lock);
-
- devfreq_monitor(&devfreq_work.work);
- return 0;
-}
-late_initcall(devfreq_start_polling);
-
static int __init devfreq_init(void)
{
devfreq_class = class_create(THIS_MODULE, "devfreq");
@@ -622,7 +577,15 @@
pr_err("%s: couldn't create class\n", __FILE__);
return PTR_ERR(devfreq_class);
}
+
+ devfreq_wq = create_freezable_workqueue("devfreq_wq");
+ if (IS_ERR(devfreq_wq)) {
+ class_destroy(devfreq_class);
+ pr_err("%s: couldn't create workqueue\n", __FILE__);
+ return PTR_ERR(devfreq_wq);
+ }
devfreq_class->dev_attrs = devfreq_attrs;
+
return 0;
}
subsys_initcall(devfreq_init);
@@ -630,6 +593,7 @@
static void __exit devfreq_exit(void)
{
class_destroy(devfreq_class);
+ destroy_workqueue(devfreq_wq);
}
module_exit(devfreq_exit);
diff --git a/drivers/devfreq/governor.h b/drivers/devfreq/governor.h
index ea7f13c..26432ac 100644
--- a/drivers/devfreq/governor.h
+++ b/drivers/devfreq/governor.h
@@ -18,7 +18,20 @@
#define to_devfreq(DEV) container_of((DEV), struct devfreq, dev)
+/* Devfreq events */
+#define DEVFREQ_GOV_START 0x1
+#define DEVFREQ_GOV_STOP 0x2
+#define DEVFREQ_GOV_INTERVAL 0x3
+#define DEVFREQ_GOV_SUSPEND 0x4
+#define DEVFREQ_GOV_RESUME 0x5
+
/* Caution: devfreq->lock must be locked before calling update_devfreq */
extern int update_devfreq(struct devfreq *devfreq);
+extern void devfreq_monitor_start(struct devfreq *devfreq);
+extern void devfreq_monitor_stop(struct devfreq *devfreq);
+extern void devfreq_monitor_suspend(struct devfreq *devfreq);
+extern void devfreq_monitor_resume(struct devfreq *devfreq);
+extern void devfreq_interval_update(struct devfreq *devfreq,
+ unsigned int *delay);
#endif /* _GOVERNOR_H */
diff --git a/drivers/devfreq/governor_performance.c b/drivers/devfreq/governor_performance.c
index af75ddd..eea3f9b 100644
--- a/drivers/devfreq/governor_performance.c
+++ b/drivers/devfreq/governor_performance.c
@@ -26,14 +26,22 @@
return 0;
}
-static int performance_init(struct devfreq *devfreq)
+static int devfreq_performance_handler(struct devfreq *devfreq,
+ unsigned int event, void *data)
{
- return update_devfreq(devfreq);
+ int ret = 0;
+
+ if (event == DEVFREQ_GOV_START) {
+ mutex_lock(&devfreq->lock);
+ ret = update_devfreq(devfreq);
+ mutex_unlock(&devfreq->lock);
+ }
+
+ return ret;
}
const struct devfreq_governor devfreq_performance = {
.name = "performance",
- .init = performance_init,
.get_target_freq = devfreq_performance_func,
- .no_central_polling = true,
+ .event_handler = devfreq_performance_handler,
};
diff --git a/drivers/devfreq/governor_powersave.c b/drivers/devfreq/governor_powersave.c
index fec0cdb..2868d98 100644
--- a/drivers/devfreq/governor_powersave.c
+++ b/drivers/devfreq/governor_powersave.c
@@ -23,14 +23,22 @@
return 0;
}
-static int powersave_init(struct devfreq *devfreq)
+static int devfreq_powersave_handler(struct devfreq *devfreq,
+ unsigned int event, void *data)
{
- return update_devfreq(devfreq);
+ int ret = 0;
+
+ if (event == DEVFREQ_GOV_START) {
+ mutex_lock(&devfreq->lock);
+ ret = update_devfreq(devfreq);
+ mutex_unlock(&devfreq->lock);
+ }
+
+ return ret;
}
const struct devfreq_governor devfreq_powersave = {
.name = "powersave",
- .init = powersave_init,
.get_target_freq = devfreq_powersave_func,
- .no_central_polling = true,
+ .event_handler = devfreq_powersave_handler,
};
diff --git a/drivers/devfreq/governor_simpleondemand.c b/drivers/devfreq/governor_simpleondemand.c
index a2e3eae..b5cf0fb 100644
--- a/drivers/devfreq/governor_simpleondemand.c
+++ b/drivers/devfreq/governor_simpleondemand.c
@@ -12,6 +12,7 @@
#include <linux/errno.h>
#include <linux/devfreq.h>
#include <linux/math64.h>
+#include "governor.h"
/* Default constants for DevFreq-Simple-Ondemand (DFSO) */
#define DFSO_UPTHRESHOLD (90)
@@ -88,7 +89,39 @@
return 0;
}
+static int devfreq_simple_ondemand_handler(struct devfreq *devfreq,
+ unsigned int event, void *data)
+{
+ switch (event) {
+ case DEVFREQ_GOV_START:
+ devfreq_monitor_start(devfreq);
+ break;
+
+ case DEVFREQ_GOV_STOP:
+ devfreq_monitor_stop(devfreq);
+ break;
+
+ case DEVFREQ_GOV_INTERVAL:
+ devfreq_interval_update(devfreq, (unsigned int *)data);
+ break;
+
+ case DEVFREQ_GOV_SUSPEND:
+ devfreq_monitor_suspend(devfreq);
+ break;
+
+ case DEVFREQ_GOV_RESUME:
+ devfreq_monitor_resume(devfreq);
+ break;
+
+ default:
+ break;
+ }
+
+ return 0;
+}
+
const struct devfreq_governor devfreq_simple_ondemand = {
.name = "simple_ondemand",
.get_target_freq = devfreq_simple_ondemand_func,
+ .event_handler = devfreq_simple_ondemand_handler,
};
diff --git a/drivers/devfreq/governor_userspace.c b/drivers/devfreq/governor_userspace.c
index 0681246..7067555 100644
--- a/drivers/devfreq/governor_userspace.c
+++ b/drivers/devfreq/governor_userspace.c
@@ -116,10 +116,27 @@
devfreq->data = NULL;
}
+static int devfreq_userspace_handler(struct devfreq *devfreq,
+ unsigned int event, void *data)
+{
+ int ret = 0;
+
+ switch (event) {
+ case DEVFREQ_GOV_START:
+ ret = userspace_init(devfreq);
+ break;
+ case DEVFREQ_GOV_STOP:
+ userspace_exit(devfreq);
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
const struct devfreq_governor devfreq_userspace = {
.name = "userspace",
.get_target_freq = devfreq_userspace_func,
- .init = userspace_init,
- .exit = userspace_exit,
- .no_central_polling = true,
+ .event_handler = devfreq_userspace_handler,
};
diff --git a/drivers/media/platform/msm/vidc/hfi_packetization.c b/drivers/media/platform/msm/vidc/hfi_packetization.c
index f8460be..40e09b6 100644
--- a/drivers/media/platform/msm/vidc/hfi_packetization.c
+++ b/drivers/media/platform/msm/vidc/hfi_packetization.c
@@ -1165,6 +1165,16 @@
sizeof(struct hfi_index_extradata_config);
break;
}
+ case HAL_PARAM_VENC_SLICE_DELIVERY_MODE:
+ {
+ struct hfi_enable *hfi;
+ pkt->rg_property_data[0] =
+ HFI_PROPERTY_PARAM_VENC_SLICE_DELIVERY_MODE;
+ hfi = (struct hfi_enable *) &pkt->rg_property_data[1];
+ hfi->enable = ((struct hal_enable *) pdata)->enable;
+ pkt->size += sizeof(u32) + sizeof(struct hfi_enable);
+ break;
+ }
case HAL_CONFIG_VPE_DEINTERLACE:
break;
/* FOLLOWING PROPERTIES ARE NOT IMPLEMENTED IN CORE YET */
@@ -1187,7 +1197,6 @@
case HAL_PARAM_VDEC_MB_QUANTIZATION:
case HAL_PARAM_VDEC_NUM_CONCEALED_MB:
case HAL_PARAM_VDEC_H264_ENTROPY_SWITCHING:
- case HAL_PARAM_VENC_SLICE_DELIVERY_MODE:
case HAL_PARAM_VENC_MPEG4_DATA_PARTITIONING:
case HAL_CONFIG_BUFFER_COUNT_ACTUAL:
case HAL_CONFIG_VDEC_MULTI_STREAM:
diff --git a/drivers/media/platform/msm/vidc/msm_vdec.c b/drivers/media/platform/msm/vidc/msm_vdec.c
index 5966d12..40ffdfc 100644
--- a/drivers/media/platform/msm/vidc/msm_vdec.c
+++ b/drivers/media/platform/msm/vidc/msm_vdec.c
@@ -248,7 +248,7 @@
return (MAX_SUPPORTED_WIDTH * MAX_SUPPORTED_HEIGHT * 3/2)/2;
}
-static const struct msm_vidc_format vdec_formats[] = {
+struct msm_vidc_format vdec_formats[] = {
{
.name = "YCbCr Semiplanar 4:2:0",
.description = "Y/CbCr 4:2:0",
@@ -717,7 +717,7 @@
}
int msm_vdec_s_fmt(struct msm_vidc_inst *inst, struct v4l2_format *f)
{
- const struct msm_vidc_format *fmt = NULL;
+ struct msm_vidc_format *fmt = NULL;
struct hal_frame_size frame_sz;
int extra_idx = 0;
int rc = 0;
diff --git a/drivers/media/platform/msm/vidc/msm_venc.c b/drivers/media/platform/msm/vidc/msm_venc.c
index 072f4ab..f94ebd8 100644
--- a/drivers/media/platform/msm/vidc/msm_venc.c
+++ b/drivers/media/platform/msm/vidc/msm_venc.c
@@ -22,7 +22,6 @@
#define DEFAULT_HEIGHT 720
#define DEFAULT_WIDTH 1280
#define MIN_NUM_OUTPUT_BUFFERS 4
-#define MAX_NUM_OUTPUT_BUFFERS 8
#define MIN_BIT_RATE 64000
#define MAX_BIT_RATE 160000000
#define DEFAULT_BIT_RATE 64000
@@ -88,6 +87,27 @@
"High Latency",
};
+static const char *const mpeg_video_vidc_extradata[] = {
+ "Extradata none",
+ "Extradata MB Quantization",
+ "Extradata Interlace Video",
+ "Extradata VC1 Framedisp",
+ "Extradata VC1 Seqdisp",
+ "Extradata timestamp",
+ "Extradata S3D Frame Packing",
+ "Extradata Frame Rate",
+ "Extradata Panscan Window",
+ "Extradata Recovery point SEI",
+ "Extradata Closed Caption UD",
+ "Extradata AFD UD",
+ "Extradata Multislice info",
+ "Extradata number of concealed MB",
+ "Extradata metadata filler",
+ "Extradata input crop",
+ "Extradata digital zoom",
+ "Extradata aspect ratio",
+};
+
enum msm_venc_ctrl_cluster {
MSM_VENC_CTRL_CLUSTER_QP = 1,
MSM_VENC_CTRL_CLUSTER_INTRA_PERIOD,
@@ -439,6 +459,18 @@
.cluster = MSM_VENC_CTRL_CLUSTER_SLICING,
},
{
+ .id = V4L2_CID_MPEG_VIDEO_MULTI_SLICE_DELIVERY_MODE,
+ .name = "Slice delivery mode",
+ .type = V4L2_CTRL_TYPE_BUTTON,
+ .minimum = 0,
+ .maximum = 1,
+ .default_value = 0,
+ .step = 1,
+ .menu_skip_mask = 0,
+ .qmenu = NULL,
+ .cluster = MSM_VENC_CTRL_CLUSTER_SLICING,
+ },
+ {
.id = V4L2_CID_MPEG_VIDC_VIDEO_INTRA_REFRESH_MODE,
.name = "Intra Refresh Mode",
.type = V4L2_CTRL_TYPE_MENU,
@@ -557,6 +589,36 @@
.qmenu = NULL,
.cluster = 0,
},
+ {
+ .id = V4L2_CID_MPEG_VIDC_VIDEO_EXTRADATA,
+ .name = "Extradata Type",
+ .type = V4L2_CTRL_TYPE_MENU,
+ .minimum = V4L2_MPEG_VIDC_EXTRADATA_NONE,
+ .maximum = V4L2_MPEG_VIDC_INDEX_EXTRADATA_ASPECT_RATIO,
+ .default_value = V4L2_MPEG_VIDC_EXTRADATA_NONE,
+ .menu_skip_mask = ~(
+ (1 << V4L2_MPEG_VIDC_EXTRADATA_NONE) |
+ (1 << V4L2_MPEG_VIDC_EXTRADATA_MB_QUANTIZATION) |
+ (1 << V4L2_MPEG_VIDC_EXTRADATA_INTERLACE_VIDEO) |
+ (1 << V4L2_MPEG_VIDC_EXTRADATA_VC1_FRAMEDISP) |
+ (1 << V4L2_MPEG_VIDC_EXTRADATA_VC1_SEQDISP) |
+ (1 << V4L2_MPEG_VIDC_EXTRADATA_TIMESTAMP) |
+ (1 << V4L2_MPEG_VIDC_EXTRADATA_S3D_FRAME_PACKING) |
+ (1 << V4L2_MPEG_VIDC_EXTRADATA_FRAME_RATE) |
+ (1 << V4L2_MPEG_VIDC_EXTRADATA_PANSCAN_WINDOW) |
+ (1 << V4L2_MPEG_VIDC_EXTRADATA_RECOVERY_POINT_SEI) |
+ (1 << V4L2_MPEG_VIDC_EXTRADATA_CLOSED_CAPTION_UD) |
+ (1 << V4L2_MPEG_VIDC_EXTRADATA_AFD_UD) |
+ (1 << V4L2_MPEG_VIDC_EXTRADATA_MULTISLICE_INFO) |
+ (1 << V4L2_MPEG_VIDC_EXTRADATA_NUM_CONCEALED_MB) |
+ (1 << V4L2_MPEG_VIDC_EXTRADATA_METADATA_FILLER) |
+ (1 << V4L2_MPEG_VIDC_INDEX_EXTRADATA_INPUT_CROP) |
+ (1 << V4L2_MPEG_VIDC_INDEX_EXTRADATA_DIGITAL_ZOOM) |
+ (1 << V4L2_MPEG_VIDC_INDEX_EXTRADATA_ASPECT_RATIO)
+ ),
+ .qmenu = mpeg_video_vidc_extradata,
+ .step = 0,
+ },
};
#define NUM_CTRLS ARRAY_SIZE(msm_venc_ctrls)
@@ -578,7 +640,7 @@
return sz;
}
-static const struct msm_vidc_format venc_formats[] = {
+static struct msm_vidc_format venc_formats[] = {
{
.name = "YCbCr Semiplanar 4:2:0",
.description = "Y/CbCr 4:2:0",
@@ -640,6 +702,9 @@
struct hal_buffer_count_actual new_buf_count;
enum hal_property property_id;
struct hfi_device *hdev;
+ struct hal_buffer_requirements *buff_req;
+ struct v4l2_ctrl *ctrl = NULL;
+ u32 extradata = 0;
if (!q || !q->drv_priv) {
dprintk(VIDC_ERR, "Invalid input, q = %p\n", q);
return -EINVAL;
@@ -655,13 +720,33 @@
switch (q->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
*num_planes = 1;
- if (*num_buffers < MIN_NUM_OUTPUT_BUFFERS ||
- *num_buffers > MAX_NUM_OUTPUT_BUFFERS)
- *num_buffers = MIN_NUM_OUTPUT_BUFFERS;
+ buff_req = get_buff_req_buffer(inst, HAL_BUFFER_OUTPUT);
+ *num_buffers = buff_req->buffer_count_actual =
+ max(*num_buffers, buff_req->buffer_count_actual);
+ if (*num_buffers > VIDEO_MAX_FRAME) {
+ dprintk(VIDC_ERR,
+ "Failed : No of slices requested = %d"\
+ " Max supported slices = %d",
+ *num_buffers, VIDEO_MAX_FRAME);
+ rc = -EINVAL;
+ break;
+ }
+ ctrl = v4l2_ctrl_find(&inst->ctrl_handler,
+ V4L2_CID_MPEG_VIDC_VIDEO_EXTRADATA);
+ if (ctrl)
+ extradata = v4l2_ctrl_g_ctrl(ctrl);
+ if (extradata)
+ *num_planes = *num_planes + 1;
+ inst->fmts[CAPTURE_PORT]->num_planes = *num_planes;
for (i = 0; i < *num_planes; i++) {
sizes[i] = inst->fmts[CAPTURE_PORT]->get_frame_size(
i, inst->prop.height, inst->prop.width);
}
+ property_id = HAL_PARAM_BUFFER_COUNT_ACTUAL;
+ new_buf_count.buffer_type = HAL_BUFFER_OUTPUT;
+ new_buf_count.buffer_count_actual = *num_buffers;
+ rc = call_hfi_op(hdev, session_set_property, inst->session,
+ property_id, &new_buf_count);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
rc = msm_comm_try_state(inst, MSM_VIDC_OPEN_DONE);
@@ -1342,6 +1427,25 @@
multi_slice_control.slice_size = ctrl->val;
pdata = &multi_slice_control;
break;
+ case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_DELIVERY_MODE: {
+ temp_ctrl = TRY_GET_CTRL(V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE);
+ if ((temp_ctrl->val ==
+ V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB) &&
+ (inst->fmts[CAPTURE_PORT]->fourcc ==
+ V4L2_PIX_FMT_H264 ||
+ inst->fmts[CAPTURE_PORT]->fourcc ==
+ V4L2_PIX_FMT_H264_NO_SC)) {
+ property_id = HAL_PARAM_VENC_SLICE_DELIVERY_MODE;
+ enable.enable = true;
+ } else {
+ dprintk(VIDC_WARN,
+ "Failed : slice delivery mode is valid "\
+ "only for H264 encoder and MB based slicing");
+ enable.enable = false;
+ }
+ pdata = &enable;
+ break;
+ }
case V4L2_CID_MPEG_VIDC_VIDEO_INTRA_REFRESH_MODE: {
struct v4l2_ctrl *air_mbs, *air_ref, *cir_mbs;
air_mbs = TRY_GET_CTRL(V4L2_CID_MPEG_VIDC_VIDEO_AIR_MBS);
@@ -1452,6 +1556,15 @@
inst->mode = VIDC_SECURE;
dprintk(VIDC_INFO, "Setting secure mode to :%d\n", inst->mode);
break;
+ case V4L2_CID_MPEG_VIDC_VIDEO_EXTRADATA:
+ {
+ struct hal_extradata_enable extra;
+ property_id = HAL_PARAM_INDEX_EXTRADATA;
+ extra.index = msm_comm_get_hal_extradata_index(ctrl->val);
+ extra.enable = 1;
+ pdata = &extra;
+ break;
+ }
default:
rc = -ENOTSUPP;
break;
@@ -1676,7 +1789,7 @@
}
int msm_venc_s_fmt(struct msm_vidc_inst *inst, struct v4l2_format *f)
{
- const struct msm_vidc_format *fmt = NULL;
+ struct msm_vidc_format *fmt = NULL;
struct hal_frame_size frame_sz;
int rc = 0;
int i;
@@ -1768,6 +1881,7 @@
const struct msm_vidc_format *fmt = NULL;
int rc = 0;
int i;
+ int extra_idx = 0;
if (!inst || !f) {
dprintk(VIDC_ERR,
"Invalid input, inst = %p, format = %p\n", inst, f);
@@ -1788,6 +1902,16 @@
fmt->get_frame_size(i, inst->prop.height,
inst->prop.width);
}
+ extra_idx = EXTRADATA_IDX(fmt->num_planes);
+ if (extra_idx && (extra_idx < VIDEO_MAX_PLANES)) {
+ f->fmt.pix_mp.plane_fmt[extra_idx].sizeimage =
+ inst->buff_req.buffer
+ [HAL_BUFFER_EXTRADATA_OUTPUT].buffer_size;
+ }
+ for (i = 0; i < fmt->num_planes; ++i) {
+ inst->bufq[CAPTURE_PORT].vb2_bufq.plane_sizes[i] =
+ f->fmt.pix_mp.plane_fmt[i].sizeimage;
+ }
} else {
dprintk(VIDC_ERR,
"Buf type not recognized, type = %d\n", f->type);
@@ -1827,6 +1951,7 @@
int i;
struct vidc_buffer_addr_info buffer_info;
struct hfi_device *hdev;
+ int extra_idx = 0;
if (!inst || !inst->core || !inst->core->device) {
dprintk(VIDC_ERR, "%s invalid parameters", __func__);
@@ -1839,24 +1964,41 @@
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
break;
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
- for (i = 0; i < b->length; i++) {
- dprintk(VIDC_DBG,
- "device_addr = %ld, size = %d\n",
+ if (b->length != inst->fmts[CAPTURE_PORT]->num_planes) {
+ dprintk(VIDC_ERR,
+ "Planes mismatch: needed: %d, allocated: %d\n",
+ inst->fmts[CAPTURE_PORT]->num_planes,
+ b->length);
+ rc = -EINVAL;
+ break;
+ }
+
+ for (i = 0; (i < b->length) && (i < VIDEO_MAX_PLANES); i++) {
+ dprintk(VIDC_DBG, "device_addr = 0x%lx, size = %d\n",
b->m.planes[i].m.userptr,
b->m.planes[i].length);
- buffer_info.buffer_size = b->m.planes[i].length;
- buffer_info.buffer_type = HAL_BUFFER_OUTPUT;
- buffer_info.num_buffers = 1;
- buffer_info.align_device_addr =
- b->m.planes[i].m.userptr;
- buffer_info.extradata_size = 0;
- buffer_info.extradata_addr = 0;
- rc = call_hfi_op(hdev, session_set_buffers,
- (void *)inst->session, &buffer_info);
- if (rc)
- dprintk(VIDC_ERR,
- "vidc_hal_session_set_buffers failed");
}
+ buffer_info.buffer_size = b->m.planes[0].length;
+ buffer_info.buffer_type = HAL_BUFFER_OUTPUT;
+ buffer_info.num_buffers = 1;
+ buffer_info.align_device_addr =
+ b->m.planes[0].m.userptr;
+
+ extra_idx = EXTRADATA_IDX(b->length);
+ if (extra_idx && (extra_idx < VIDEO_MAX_PLANES)) {
+ buffer_info.extradata_addr =
+ b->m.planes[extra_idx].m.userptr;
+ dprintk(VIDC_DBG, "extradata: 0x%lx\n",
+ b->m.planes[extra_idx].m.userptr);
+ buffer_info.extradata_size =
+ b->m.planes[extra_idx].length;
+ }
+
+ rc = call_hfi_op(hdev, session_set_buffers,
+ (void *)inst->session, &buffer_info);
+ if (rc)
+ dprintk(VIDC_ERR,
+ "vidc_hal_session_set_buffers failed");
break;
default:
dprintk(VIDC_ERR,
@@ -1869,8 +2011,7 @@
int msm_venc_release_buf(struct msm_vidc_inst *inst,
struct v4l2_buffer *b)
{
- int rc = 0;
- int i;
+ int i, rc = 0, extra_idx = 0;
struct vidc_buffer_addr_info buffer_info;
struct hfi_device *hdev;
@@ -1891,24 +2032,36 @@
switch (b->type) {
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
break;
- case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: {
+ if (b->length !=
+ inst->fmts[CAPTURE_PORT]->num_planes) {
+ dprintk(VIDC_ERR,
+ "Planes mismatch: needed: %d, to release: %d\n",
+ inst->fmts[CAPTURE_PORT]->num_planes,
+ b->length);
+ rc = -EINVAL;
+ break;
+ }
for (i = 0; i < b->length; i++) {
dprintk(VIDC_DBG,
- "Release device_addr = %ld, size = %d, %d\n",
+ "Release device_addr = 0x%lx, size = %d, %d\n",
b->m.planes[i].m.userptr,
b->m.planes[i].length, inst->state);
- buffer_info.buffer_size = b->m.planes[i].length;
- buffer_info.buffer_type = HAL_BUFFER_OUTPUT;
- buffer_info.num_buffers = 1;
- buffer_info.align_device_addr =
- b->m.planes[i].m.userptr;
- buffer_info.extradata_size = 0;
- buffer_info.extradata_addr = 0;
- buffer_info.response_required = false;
- rc = call_hfi_op(hdev, session_release_buffers,
+ }
+ buffer_info.buffer_size = b->m.planes[0].length;
+ buffer_info.buffer_type = HAL_BUFFER_OUTPUT;
+ buffer_info.num_buffers = 1;
+ buffer_info.align_device_addr =
+ b->m.planes[0].m.userptr;
+ extra_idx = EXTRADATA_IDX(b->length);
+ if (extra_idx && (extra_idx < VIDEO_MAX_PLANES))
+ buffer_info.extradata_addr =
+ b->m.planes[extra_idx].m.userptr;
+ buffer_info.response_required = false;
+ rc = call_hfi_op(hdev, session_release_buffers,
(void *)inst->session, &buffer_info);
- if (rc)
- dprintk(VIDC_ERR,
+ if (rc)
+ dprintk(VIDC_ERR,
"vidc_hal_session_release_buffers failed\n");
}
break;
diff --git a/drivers/media/platform/msm/vidc/msm_vidc_common.c b/drivers/media/platform/msm/vidc/msm_vidc_common.c
index ba3e393..454d046 100644
--- a/drivers/media/platform/msm/vidc/msm_vidc_common.c
+++ b/drivers/media/platform/msm/vidc/msm_vidc_common.c
@@ -174,8 +174,8 @@
}
return &fmt[i];
}
-const struct msm_vidc_format *msm_comm_get_pixel_fmt_fourcc(
- const struct msm_vidc_format fmt[], int size, int fourcc, int fmt_type)
+struct msm_vidc_format *msm_comm_get_pixel_fmt_fourcc(
+ struct msm_vidc_format fmt[], int size, int fourcc, int fmt_type)
{
int i;
if (!fmt) {
diff --git a/drivers/media/platform/msm/vidc/msm_vidc_common.h b/drivers/media/platform/msm/vidc/msm_vidc_common.h
index 4f3deb6..862dfab 100644
--- a/drivers/media/platform/msm/vidc/msm_vidc_common.h
+++ b/drivers/media/platform/msm/vidc/msm_vidc_common.h
@@ -21,8 +21,8 @@
struct msm_vidc_core *get_vidc_core(int core_id);
const struct msm_vidc_format *msm_comm_get_pixel_fmt_index(
const struct msm_vidc_format fmt[], int size, int index, int fmt_type);
-const struct msm_vidc_format *msm_comm_get_pixel_fmt_fourcc(
- const struct msm_vidc_format fmt[], int size, int fourcc, int fmt_type);
+struct msm_vidc_format *msm_comm_get_pixel_fmt_fourcc(
+ struct msm_vidc_format fmt[], int size, int fourcc, int fmt_type);
struct buf_queue *msm_comm_get_vb2q(
struct msm_vidc_inst *inst, enum v4l2_buf_type type);
int msm_comm_try_state(struct msm_vidc_inst *inst, int state);
diff --git a/drivers/media/platform/msm/vidc/msm_vidc_internal.h b/drivers/media/platform/msm/vidc/msm_vidc_internal.h
index 8238d42..29bb1e3 100644
--- a/drivers/media/platform/msm/vidc/msm_vidc_internal.h
+++ b/drivers/media/platform/msm/vidc/msm_vidc_internal.h
@@ -189,7 +189,7 @@
void *session;
struct session_prop prop;
int state;
- const struct msm_vidc_format *fmts[MAX_PORT_NUM];
+ struct msm_vidc_format *fmts[MAX_PORT_NUM];
struct buf_queue bufq[MAX_PORT_NUM];
struct list_head pendingq;
struct list_head internalbufs;
diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
index 281c72a..ee243a3 100644
--- a/include/linux/devfreq.h
+++ b/include/linux/devfreq.h
@@ -91,25 +91,18 @@
* status of the device (load = busy_time / total_time).
* If no_central_polling is set, this callback is called
* only with update_devfreq() notified by OPP.
- * @init Called when the devfreq is being attached to a device
- * @exit Called when the devfreq is being removed from a
- * device. Governor should stop any internal routines
- * before return because related data may be
- * freed after exit().
- * @no_central_polling Do not use devfreq's central polling mechanism.
- * When this is set, devfreq will not call
- * get_target_freq with devfreq_monitor(). However,
- * devfreq will call get_target_freq with
- * devfreq_update() notified by OPP framework.
+ * @event_handler Callback for devfreq core framework to notify events
+ * to governors. Events include per device governor
+ * init and exit, opp changes out of devfreq, suspend
+ * and resume of per device devfreq during device idle.
*
* Note that the callbacks are called with devfreq->lock locked by devfreq.
*/
struct devfreq_governor {
const char name[DEVFREQ_NAME_LEN];
int (*get_target_freq)(struct devfreq *this, unsigned long *freq);
- int (*init)(struct devfreq *this);
- void (*exit)(struct devfreq *this);
- const bool no_central_polling;
+ int (*event_handler)(struct devfreq *devfreq,
+ unsigned int event, void *data);
};
/**
@@ -124,18 +117,13 @@
* @nb notifier block used to notify devfreq object that it should
* reevaluate operable frequencies. Devfreq users may use
* devfreq.nb to the corresponding register notifier call chain.
- * @polling_jiffies interval in jiffies.
+ * @work delayed work for load monitoring.
* @previous_freq previously configured frequency value.
- * @next_polling the number of remaining jiffies to poll with
- * "devfreq_monitor" executions to reevaluate
- * frequency/voltage of the device. Set by
- * profile's polling_ms interval.
* @data Private data of the governor. The devfreq framework does not
* touch this.
- * @being_removed a flag to mark that this object is being removed in
- * order to prevent trying to remove the object multiple times.
* @min_freq Limit minimum frequency requested by user (0: none)
* @max_freq Limit maximum frequency requested by user (0: none)
+ * @stop_polling devfreq polling status of a device.
*
* This structure stores the devfreq information for a give device.
*
@@ -153,17 +141,15 @@
struct devfreq_dev_profile *profile;
const struct devfreq_governor *governor;
struct notifier_block nb;
+ struct delayed_work work;
- unsigned long polling_jiffies;
unsigned long previous_freq;
- unsigned int next_polling;
void *data; /* private data for governors */
- bool being_removed;
-
unsigned long min_freq;
unsigned long max_freq;
+ bool stop_polling;
};
#if defined(CONFIG_PM_DEVFREQ)
@@ -172,6 +158,8 @@
const struct devfreq_governor *governor,
void *data);
extern int devfreq_remove_device(struct devfreq *devfreq);
+extern int devfreq_suspend_device(struct devfreq *devfreq);
+extern int devfreq_resume_device(struct devfreq *devfreq);
/* Helper functions for devfreq user device driver with OPP. */
extern struct opp *devfreq_recommended_opp(struct device *dev,
@@ -225,6 +213,16 @@
return 0;
}
+static int devfreq_suspend_device(struct devfreq *devfreq)
+{
+ return 0;
+}
+
+static int devfreq_resume_device(struct devfreq *devfreq)
+{
+ return 0;
+}
+
static struct opp *devfreq_recommended_opp(struct device *dev,
unsigned long *freq, u32 flags)
{
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index a1d0445..272c990 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -1851,6 +1851,8 @@
};
#define V4L2_CID_MPEG_VIDEO_MULTI_SLICE_GOB \
(V4L2_CID_MPEG_MSM_VIDC_BASE+27)
+#define V4L2_CID_MPEG_VIDEO_MULTI_SLICE_DELIVERY_MODE \
+ (V4L2_CID_MPEG_MSM_VIDC_BASE+28)
/* Camera class control IDs */
#define V4L2_CID_CAMERA_CLASS_BASE (V4L2_CTRL_CLASS_CAMERA | 0x900)
#define V4L2_CID_CAMERA_CLASS (V4L2_CTRL_CLASS_CAMERA | 1)