3  * A devfreq driver for NVIDIA Tegra SoCs
11 #include <linux/devfreq.h>
157 	struct devfreq		*devfreq;  member
230 	u32 band = avg_band_freq * tegra->devfreq->profile->polling_ms;  in tegra_devfreq_update_avg_wmark()
243 	u32 val = tegra->cur_freq * tegra->devfreq->profile->polling_ms;  in tegra_devfreq_update_wmark()
322 	target_freq = dev->avg_count / tegra->devfreq->profile->polling_ms;  in actmon_device_target_freq()
356 	mutex_lock(&tegra->devfreq->lock);  in actmon_thread_isr()
367 		update_devfreq(tegra->devfreq);  in actmon_thread_isr()
369 	mutex_unlock(&tegra->devfreq->lock);  in actmon_thread_isr()
403 	mutex_lock(&tegra->devfreq->lock);  in tegra_actmon_delayed_update()
404 	update_devfreq(tegra->devfreq);  in tegra_actmon_delayed_update()
405 	mutex_unlock(&tegra->devfreq->lock);  in tegra_actmon_delayed_update()
445 	if (mutex_trylock(&tegra->devfreq->lock)) {  in tegra_actmon_cpu_notify_cb()
448 		mutex_unlock(&tegra->devfreq->lock);  in tegra_actmon_cpu_notify_cb()
452 		 * the moment, then there is no need to update the devfreq's  in tegra_actmon_cpu_notify_cb()
482 	dev->avg_count = tegra->cur_freq * tegra->devfreq->profile->polling_ms;  in tegra_actmon_configure_device()
523 	if (!tegra->devfreq->profile->polling_ms || !tegra->started)  in tegra_actmon_resume()
526 	actmon_writel(tegra, tegra->devfreq->profile->polling_ms - 1,  in tegra_actmon_resume()
537 		dev_err(tegra->devfreq->dev.parent,  in tegra_actmon_resume()
557 		dev_err(tegra->devfreq->dev.parent,  in tegra_actmon_resume()
591 	if (!tegra->devfreq->profile->polling_ms || !tegra->started)  in tegra_actmon_pause()
616 	struct devfreq *devfreq = tegra->devfreq;  in tegra_devfreq_target()  local
640 	clk_set_min_rate(tegra->emc_clock, devfreq->previous_freq);  in tegra_devfreq_target()
669 	stat->total_time = tegra->devfreq->profile->polling_ms * cur_freq;  in tegra_devfreq_get_dev_status()
682 static int tegra_governor_get_target(struct devfreq *devfreq,  in tegra_governor_get_target()  argument
692 	err = devfreq_update_stats(devfreq);  in tegra_governor_get_target()
696 	stat = &devfreq->last_status;  in tegra_governor_get_target()
713 static int tegra_governor_event_handler(struct devfreq *devfreq,  in tegra_governor_event_handler()  argument
716 	struct tegra_devfreq *tegra = dev_get_drvdata(devfreq->dev.parent);  in tegra_governor_event_handler()
721 	 * Couple devfreq-device with the governor early because it is  in tegra_governor_event_handler()
724 	tegra->devfreq = devfreq;  in tegra_governor_event_handler()
728 		devfreq_monitor_start(devfreq);  in tegra_governor_event_handler()
734 		devfreq_monitor_stop(devfreq);  in tegra_governor_event_handler()
748 		devfreq_update_interval(devfreq, new_delay);  in tegra_governor_event_handler()
754 		devfreq_monitor_suspend(devfreq);  in tegra_governor_event_handler()
758 		devfreq_monitor_resume(devfreq);  in tegra_governor_event_handler()
778 	struct devfreq *devfreq;  in tegra_devfreq_probe()  local
819 					"tegra-devfreq", tegra);  in tegra_devfreq_probe()
887 	devfreq = devfreq_add_device(&pdev->dev, &tegra_devfreq_profile,  in tegra_devfreq_probe()
889 	if (IS_ERR(devfreq)) {  in tegra_devfreq_probe()
890 		err = PTR_ERR(devfreq);  in tegra_devfreq_probe()
913 	devfreq_remove_device(tegra->devfreq);  in tegra_devfreq_remove()
936 		.name = "tegra-devfreq",
943 MODULE_DESCRIPTION("Tegra devfreq driver");