diff options
Diffstat (limited to 'drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/common/pmm/mali_pmm_policy.c')
| -rw-r--r-- | drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/common/pmm/mali_pmm_policy.c | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/common/pmm/mali_pmm_policy.c b/drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/common/pmm/mali_pmm_policy.c new file mode 100644 index 00000000000..327e8b4c853 --- /dev/null +++ b/drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/common/pmm/mali_pmm_policy.c @@ -0,0 +1,243 @@ +/* + * 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_pmm_policy.c + * Implementation of the common routines for power management module + * policies + */ + +#if USING_MALI_PMM + +#include "mali_ukk.h" +#include "mali_kernel_common.h" + +#include "mali_pmm.h" +#include "mali_pmm_system.h" +#include "mali_pmm_state.h" +#include "mali_pmm_policy.h" + +#include "mali_pmm_policy_alwayson.h" +#include "mali_pmm_policy_jobcontrol.h" + +/* Call back function for timer expiration */ +static void pmm_policy_timer_callback( void *arg ); + +_mali_osk_errcode_t pmm_policy_timer_init( _pmm_policy_timer_t *pptimer, u32 timeout, mali_pmm_event_id id ) +{ + MALI_DEBUG_ASSERT_POINTER(pptimer); + + /* All values get 0 as default */ + _mali_osk_memset(pptimer, 0, sizeof(*pptimer)); + + pptimer->timer = _mali_osk_timer_init(); + if( pptimer->timer ) + { + _mali_osk_timer_setcallback( pptimer->timer, pmm_policy_timer_callback, (void *)pptimer ); + pptimer->timeout = timeout; + pptimer->event_id = id; + MALI_SUCCESS; + } + + return _MALI_OSK_ERR_FAULT; +} + +static void pmm_policy_timer_callback( void *arg ) +{ + _pmm_policy_timer_t *pptimer = (_pmm_policy_timer_t *)arg; + + MALI_DEBUG_ASSERT_POINTER(pptimer); + MALI_DEBUG_ASSERT( pptimer->set ); + + /* Set timer expired and flag there is a policy to check */ + pptimer->expired = MALI_TRUE; + malipmm_set_policy_check(); +} + + +void pmm_policy_timer_term( _pmm_policy_timer_t *pptimer ) +{ + MALI_DEBUG_ASSERT_POINTER(pptimer); + + _mali_osk_timer_del( pptimer->timer ); + _mali_osk_timer_term( pptimer->timer ); + pptimer->timer = NULL; +} + +mali_bool pmm_policy_timer_start( _pmm_policy_timer_t *pptimer ) +{ + MALI_DEBUG_ASSERT_POINTER(pptimer); + MALI_DEBUG_ASSERT_POINTER(pptimer->timer); + + if( !(pptimer->set) ) + { + pptimer->set = MALI_TRUE; + pptimer->expired = MALI_FALSE; + pptimer->start = _mali_osk_time_tickcount(); + _mali_osk_timer_add( pptimer->timer, pptimer->timeout ); + return MALI_TRUE; + } + + return MALI_FALSE; +} + +mali_bool pmm_policy_timer_stop( _pmm_policy_timer_t *pptimer ) +{ + MALI_DEBUG_ASSERT_POINTER(pptimer); + MALI_DEBUG_ASSERT_POINTER(pptimer->timer); + + if( pptimer->set ) + { + _mali_osk_timer_del( pptimer->timer ); + pptimer->set = MALI_FALSE; + pptimer->expired = MALI_FALSE; + return MALI_TRUE; + } + + return MALI_FALSE; +} + +mali_bool pmm_policy_timer_raise_event( _pmm_policy_timer_t *pptimer ) +{ + MALI_DEBUG_ASSERT_POINTER(pptimer); + + if( pptimer->expired ) + { + _mali_uk_pmm_message_s event = { + NULL, + MALI_PMM_EVENT_TIMEOUT, /* Assume timeout id, but set it below */ + 0 }; + + event.id = pptimer->event_id; + event.data = (mali_pmm_message_data)pptimer->start; + + /* Don't need to do any other notification with this timer */ + pptimer->expired = MALI_FALSE; + /* Unset timer so it is free to be set again */ + pptimer->set = MALI_FALSE; + + _mali_ukk_pmm_event_message( &event ); + + return MALI_TRUE; + } + + return MALI_FALSE; +} + +mali_bool pmm_policy_timer_valid( u32 timer_start, u32 other_start ) +{ + return (_mali_osk_time_after( other_start, timer_start ) == 0); +} + + +_mali_osk_errcode_t pmm_policy_init(_mali_pmm_internal_state_t *pmm) +{ + _mali_osk_errcode_t err; + + MALI_DEBUG_ASSERT_POINTER(pmm); + + switch( pmm->policy ) + { + case MALI_PMM_POLICY_ALWAYS_ON: + { + err = pmm_policy_init_always_on(); + } + break; + + case MALI_PMM_POLICY_JOB_CONTROL: + { + err = pmm_policy_init_job_control(pmm); + } + break; + + case MALI_PMM_POLICY_NONE: + default: + err = _MALI_OSK_ERR_FAULT; + } + + return err; +} + +void pmm_policy_term(_mali_pmm_internal_state_t *pmm) +{ + MALI_DEBUG_ASSERT_POINTER(pmm); + + switch( pmm->policy ) + { + case MALI_PMM_POLICY_ALWAYS_ON: + { + pmm_policy_term_always_on(); + } + break; + + case MALI_PMM_POLICY_JOB_CONTROL: + { + pmm_policy_term_job_control(); + } + break; + + case MALI_PMM_POLICY_NONE: + default: + MALI_PRINT_ERROR( ("PMM: Invalid policy terminated %d\n", pmm->policy) ); + } +} + + +_mali_osk_errcode_t pmm_policy_process(_mali_pmm_internal_state_t *pmm, mali_pmm_message_t *event) +{ + _mali_osk_errcode_t err; + + MALI_DEBUG_ASSERT_POINTER(pmm); + MALI_DEBUG_ASSERT_POINTER(event); + + switch( pmm->policy ) + { + case MALI_PMM_POLICY_ALWAYS_ON: + { + err = pmm_policy_process_always_on( pmm, event ); + } + break; + + case MALI_PMM_POLICY_JOB_CONTROL: + { + err = pmm_policy_process_job_control( pmm, event ); + } + break; + + case MALI_PMM_POLICY_NONE: + default: + err = _MALI_OSK_ERR_FAULT; + } + + return err; +} + + +void pmm_policy_check_policy( _mali_pmm_internal_state_t *pmm ) +{ + MALI_DEBUG_ASSERT_POINTER(pmm); + + switch( pmm->policy ) + { + case MALI_PMM_POLICY_JOB_CONTROL: + { + pmm_policy_check_job_control(); + } + break; + + default: + /* Nothing needs to be done */ + break; + } +} + + +#endif /* USING_MALI_PMM */ + |