diff options
Diffstat (limited to 'drivers/media/video/samsung/mali/linux/mali_kernel_pm.c')
| -rw-r--r-- | drivers/media/video/samsung/mali/linux/mali_kernel_pm.c | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/drivers/media/video/samsung/mali/linux/mali_kernel_pm.c b/drivers/media/video/samsung/mali/linux/mali_kernel_pm.c deleted file mode 100644 index 4639d55..0000000 --- a/drivers/media/video/samsung/mali/linux/mali_kernel_pm.c +++ /dev/null @@ -1,268 +0,0 @@ -/** - * Copyright (C) 2010-2012 ARM Limited. All rights reserved. - * - * This program is free software and is provided to you under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence. - * - * A copy of the licence is included with the program, and can also be obtained from Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - */ - -/** - * @file mali_kernel_pm.c - * Linux Power Management integration - */ - -#include <linux/sched.h> -#include <linux/platform_device.h> -#include <linux/version.h> -#include <asm/current.h> -#include <linux/suspend.h> -#include <linux/module.h> -#ifdef CONFIG_PM_RUNTIME -#include <linux/pm_runtime.h> -#endif -#include "mali_osk.h" -#include "mali_uk_types.h" -#include "mali_kernel_common.h" -#include "mali_kernel_license.h" -#include "mali_linux_pm.h" -#include "mali_pm.h" -#include "mali_platform.h" - -#if ! MALI_LICENSE_IS_GPL -#undef CONFIG_PM_RUNTIME -#endif - -#if MALI_PMM_RUNTIME_JOB_CONTROL_ON -extern void set_mali_parent_power_domain(struct platform_device* dev); -#endif /* MALI_PMM_RUNTIME_JOB_CONTROL_ON */ -static int mali_probe(struct platform_device *pdev); -static int mali_remove(struct platform_device *pdev); - -#ifdef CONFIG_PM_RUNTIME -static int mali_runtime_suspend(struct device *dev); -static int mali_runtime_resume(struct device *dev); -#endif - -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)) -static int mali_os_suspend(struct platform_device *pdev, pm_message_t state); -static int mali_os_resume(struct platform_device *pdev); -#else -static int mali_os_suspend(struct device *dev); -static int mali_os_resume(struct device *dev); -#endif - - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29)) -static const struct dev_pm_ops mali_dev_pm_ops = -{ -#ifdef CONFIG_PM_RUNTIME - .runtime_suspend = mali_runtime_suspend, - .runtime_resume = mali_runtime_resume, - .runtime_idle = NULL, -#else - .suspend = mali_os_suspend, - .resume = mali_os_resume, -#endif - .freeze = mali_os_suspend, - .poweroff = mali_os_suspend, - .thaw = mali_os_resume, - .restore = mali_os_resume, -}; -#elif (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)) -struct pm_ext_ops mali_ext_pm_operations = -{ - .base = - { - .freeze = mali_os_suspend, - .thaw = mali_os_resume, - .poweroff = mali_os_suspend, - .restore = mali_os_resume, - }, -}; -#endif - - -static struct platform_driver mali_plat_driver = -{ - .probe = mali_probe, - .remove = mali_remove, -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)) - .suspend = mali_os_suspend, - .resume = mali_os_resume, - .pm = &mali_ext_pm_operations, -#endif - - .driver = - { - .name = "mali_dev", - .owner = THIS_MODULE, -#if MALI_LICENSE_IS_GPL - .bus = &platform_bus_type, -#endif -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29)) - .pm = &mali_dev_pm_ops, -#endif - }, -}; - -#ifdef CONFIG_PM_RUNTIME -static int mali_pwr_suspend_notifier(struct notifier_block *nb,unsigned long event,void* dummy); - -static struct notifier_block mali_pwr_notif_block = -{ - .notifier_call = mali_pwr_suspend_notifier -}; -#endif - -/** This function is called when platform device is unregistered. This function - * is necessary when the platform device is unregistered. - */ -static void _mali_release_pm(struct device *device) -{ -} -struct platform_device mali_gpu_device = -{ - .name = "mali_dev", - .id = 0, - .dev.release = _mali_release_pm -}; - -/** This function is called when the device is probed */ -static int mali_probe(struct platform_device *pdev) -{ - return 0; -} - -static int mali_remove(struct platform_device *pdev) -{ -#ifdef CONFIG_PM_RUNTIME - pm_runtime_disable(&pdev->dev); -#endif - return 0; -} - -#ifdef CONFIG_PM_RUNTIME -static int mali_pwr_suspend_notifier(struct notifier_block *nb,unsigned long event,void* dummy) -{ - switch (event) - { - case PM_SUSPEND_PREPARE: - MALI_DEBUG_PRINT(2, ("mali_pwr_suspend_notifier(PM_SUSPEND_PREPARE) called\n")); - mali_pm_os_suspend(); - break; - case PM_POST_SUSPEND: - MALI_DEBUG_PRINT(2, ("mali_pwr_suspend_notifier(PM_SUSPEND_PREPARE) called\n")); - mali_pm_os_resume(); - break; - default: - break; - } - return 0; -} -#endif - - -#ifdef CONFIG_PM_RUNTIME - -static int mali_runtime_suspend(struct device *dev) -{ - MALI_DEBUG_PRINT(3, ("mali_runtime_suspend() called\n")); - mali_pm_runtime_suspend(); - return 0; /* all ok */ -} - -static int mali_runtime_resume(struct device *dev) -{ - MALI_DEBUG_PRINT(3, ("mali_runtime_resume() called\n")); - mali_pm_runtime_resume(); - return 0; /* all ok */ -} - -#endif - -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)) - -static int mali_os_suspend(struct platform_device *pdev, pm_message_t state) -{ - MALI_DEBUG_PRINT(3, ("mali_os_suspend(old) called\n")); - mali_pm_os_suspend(); - return 0; /* all ok */ -} - -static int mali_os_resume(struct platform_device *pdev) -{ - MALI_DEBUG_PRINT(3, ("mali_os_resume(old) called\n")); - mali_pm_os_resume(); - return 0; /* all ok */ -} - -#else - -static int mali_os_suspend(struct device *dev) -{ - MALI_DEBUG_PRINT(3, ("mali_os_suspend(new) called\n")); - mali_pm_os_suspend(); - return 0; /* all ok */ -} - -static int mali_os_resume(struct device *dev) -{ - MALI_DEBUG_PRINT(3, ("mali_os_resume(new) called\n")); - mali_pm_os_resume(); - return 0; /* all ok */ -} - -#endif - -/** This function is called when Mali GPU device is initialized - */ -int _mali_dev_platform_register(void) -{ - int err; - -#ifdef CONFIG_PM_RUNTIME - set_mali_parent_power_domain((void *)&mali_gpu_device); -#endif - -#ifdef CONFIG_PM_RUNTIME - err = register_pm_notifier(&mali_pwr_notif_block); - if (err) - { - return err; - } -#endif - -#if MALI_LICENSE_IS_GPL - err = platform_device_register(&mali_gpu_device); - if (!err) - { - err = platform_driver_register(&mali_plat_driver); - if (err) - { -#ifdef CONFIG_PM_RUNTIME - unregister_pm_notifier(&mali_pwr_notif_block); -#endif - platform_device_unregister(&mali_gpu_device); - } - } -#endif - - return err; -} - -/** This function is called when Mali GPU device is unloaded - */ -void _mali_dev_platform_unregister(void) -{ -#ifdef CONFIG_PM_RUNTIME - unregister_pm_notifier(&mali_pwr_notif_block); -#endif - -#if MALI_LICENSE_IS_GPL - platform_driver_unregister(&mali_plat_driver); - platform_device_unregister(&mali_gpu_device); -#endif -} - |