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/**
* Copyright (C) 2010-2011 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_osk_pm.c
* Implementation of the callback functions from common power management
*/
#include <linux/sched.h>
#ifdef CONFIG_PM_RUNTIME
#include <linux/pm_runtime.h>
#endif /* CONFIG_PM_RUNTIME */
#include <linux/platform_device.h>
#include "mali_platform.h"
#include "mali_osk.h"
#include "mali_uk_types.h"
#include "mali_pmm.h"
#include "mali_kernel_common.h"
#include "mali_kernel_license.h"
#include "mali_linux_pm.h"
#include "mali_linux_pm_testsuite.h"
#if MALI_LICENSE_IS_GPL
#if MALI_PMM_RUNTIME_JOB_CONTROL_ON
#ifdef CONFIG_PM_RUNTIME
static int is_runtime =0;
#endif /* CONFIG_PM_RUNTIME */
#endif /* MALI_PMM_RUNTIME_JOB_CONTROL_ON */
#endif /* MALI_LICENSE_IS_GPL */
#if MALI_POWER_MGMT_TEST_SUITE
#ifdef CONFIG_PM
unsigned int mali_pmm_events_triggered_mask = 0;
#endif /* CONFIG_PM */
void _mali_osk_pmm_policy_events_notifications(mali_pmm_event_id mali_pmm_event)
{
#if MALI_LICENSE_IS_GPL
#ifdef CONFIG_PM
switch (mali_pmm_event)
{
case MALI_PMM_EVENT_JOB_QUEUED:
if (mali_job_scheduling_events_recording_on == 1)
{
mali_pmm_events_triggered_mask |= (1<<0);
}
break;
case MALI_PMM_EVENT_JOB_SCHEDULED:
if (mali_job_scheduling_events_recording_on == 1)
{
mali_pmm_events_triggered_mask |= (1<<1);
}
break;
case MALI_PMM_EVENT_JOB_FINISHED:
if (mali_job_scheduling_events_recording_on == 1)
{
mali_pmm_events_triggered_mask |= (1<<2);
mali_job_scheduling_events_recording_on = 0;
pwr_mgmt_status_reg = mali_pmm_events_triggered_mask;
}
break;
case MALI_PMM_EVENT_TIMEOUT:
if (mali_timeout_event_recording_on == 1)
{
pwr_mgmt_status_reg = (1<<3);
mali_timeout_event_recording_on = 0;
}
break;
default:
break;
}
#endif /* CONFIG_PM */
#endif /* MALI_LICENSE_IS_GPL */
}
#endif /* MALI_POWER_MGMT_TEST_SUITE */
/** This function is called when the Mali device has completed power up
* operation.
*/
void _mali_osk_pmm_power_up_done(mali_pmm_message_data data)
{
#if MALI_LICENSE_IS_GPL
#ifdef CONFIG_PM
is_wake_up_needed = 1;
wake_up_process(pm_thread);
MALI_DEBUG_PRINT(4, ("OSPMM: MALI OSK Power up Done\n" ));
return;
#endif /* CONFIG_PM */
#endif /* MALI_LICENSE_IS_GPL */
}
/** This function is called when the Mali device has completed power down
* operation.
*/
void _mali_osk_pmm_power_down_done(mali_pmm_message_data data)
{
#if MALI_LICENSE_IS_GPL
#ifdef CONFIG_PM
is_wake_up_needed = 1;
#if MALI_POWER_MGMT_TEST_SUITE
if (is_mali_pmu_present == 0)
{
pwr_mgmt_status_reg = _mali_pmm_cores_list();
}
#endif /* MALI_POWER_MGMT_TEST_SUITE */
wake_up_process(pm_thread);
MALI_DEBUG_PRINT(4, ("OSPMM: MALI Power down Done\n" ));
return;
#endif /* CONFIG_PM */
#endif /* MALI_LICENSE_IS_GPL */
}
/** This function is invoked when mali device is idle.
*/
_mali_osk_errcode_t _mali_osk_pmm_dev_idle(void)
{
_mali_osk_errcode_t err = 0;
#if MALI_LICENSE_IS_GPL
#ifdef CONFIG_PM_RUNTIME
#if MALI_PMM_RUNTIME_JOB_CONTROL_ON
err = pm_runtime_put_sync(&(mali_gpu_device.dev));
if(err)
{
MALI_DEBUG_PRINT(4, ("OSPMM: Error in _mali_osk_pmm_dev_idle\n" ));
}
#endif /* MALI_PMM_RUNTIME_JOB_CONTROL_ON */
#endif /* CONFIG_PM_RUNTIME */
#endif /* MALI_LICENSE_IS_GPL */
return err;
}
/** This funtion is invoked when mali device needs to be activated.
*/
int _mali_osk_pmm_dev_activate(void)
{
#if MALI_LICENSE_IS_GPL
#ifdef CONFIG_PM_RUNTIME
#if MALI_PMM_RUNTIME_JOB_CONTROL_ON
int err = 0;
if(is_runtime == 0)
{
pm_suspend_ignore_children(&(mali_gpu_device.dev), true);
pm_runtime_enable(&(mali_gpu_device.dev));
err = pm_runtime_get_sync(&(mali_gpu_device.dev));
is_runtime = 1;
}
else
{
err = pm_runtime_get_sync(&(mali_gpu_device.dev));
}
if(err < 0)
{
MALI_PRINT(("OSPMM: Error in _mali_osk_pmm_dev_activate, err : %d\n",err ));
}
#endif /* MALI_PMM_RUNTIME_JOB_CONTROL_ON */
#endif /* CONFIG_PM_RUNTIME */
#endif /* MALI_LICENSE_IS_GPL */
return err;
}
void _mali_osk_pmm_ospmm_cleanup( void )
{
#if MALI_LICENSE_IS_GPL
#ifdef CONFIG_PM
int thread_state;
thread_state = mali_get_ospmm_thread_state();
if (thread_state)
{
_mali_osk_pmm_dvfs_operation_done(0);
}
#endif /* CONFIG_PM */
#endif /* MALI_LICENSE_IS_GPL */
}
void _mali_osk_pmm_dvfs_operation_done(mali_pmm_message_data data)
{
#if MALI_LICENSE_IS_GPL
#ifdef CONFIG_PM
is_wake_up_needed = 1;
wake_up_process(dvfs_pm_thread);
MALI_DEBUG_PRINT(4, ("OSPMM: MALI OSK DVFS Operation done\n" ));
return;
#endif /* CONFIG_PM */
#endif /* MALI_LICENSE_IS_GPL */
}
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