linux-arkmicro/linux/drivers/gpu/arm/mali/common/mali_scheduler.h

/*
 * This confidential and proprietary software may be used only as
 * authorised by a licensing agreement from ARM Limited
 * (C) COPYRIGHT 2012-2013 ARM Limited
 * ALL RIGHTS RESERVED
 * The entire notice above must be reproduced on all authorised
 * copies and copies may only be made to the extent permitted
 * by a licensing agreement from ARM Limited.
 */

#ifndef __MALI_SCHEDULER_H__
#define __MALI_SCHEDULER_H__

#include "mali_osk.h"
#include "mali_scheduler_types.h"
#include "mali_gp_scheduler.h"
#include "mali_pp_scheduler.h"

_mali_osk_errcode_t mali_scheduler_initialize(void);
void mali_scheduler_terminate(void);

u32 mali_scheduler_get_new_id(void);
u32 mali_scheduler_get_new_cache_order(void);

/**
 * @brief Reset all groups
 *
 * This function resets all groups known by the both the PP and GP scheuduler.
 * This must be called after the Mali HW has been powered on in order to reset
 * the HW.
 */
MALI_STATIC_INLINE void mali_scheduler_reset_all_groups(void)
{
	mali_gp_scheduler_reset_all_groups();
	mali_pp_scheduler_reset_all_groups();
}

/**
 * @brief Zap TLB on all active groups running \a session
 *
 * @param session Pointer to the session to zap
 */
MALI_STATIC_INLINE void mali_scheduler_zap_all_active(struct mali_session_data *session)
{
	mali_gp_scheduler_zap_all_active(session);
	mali_pp_scheduler_zap_all_active(session);
}

/**
 * Check if bit is set in scheduler mask.
 *
 * @param mask Scheduler mask to check.
 * @param bit Bit to check.
 * @return MALI_TRUE if bit is set in scheduler mask, MALI_FALSE if not.
 */
MALI_STATIC_INLINE mali_bool mali_scheduler_mask_is_set(mali_scheduler_mask mask, mali_scheduler_mask bit)
{
	return MALI_SCHEDULER_MASK_EMPTY != (bit & mask);
}

/**
 * Schedule GP and PP according to bitmask.
 *
 * @param mask A scheduling bitmask.
 * @param deferred_schedule MALI_TRUE if schedule should be deferred, MALI_FALSE if not.
 */
void mali_scheduler_schedule_from_mask(mali_scheduler_mask mask, mali_bool deferred_schedule);

/* Enable or disable scheduler hint. */
extern mali_bool mali_scheduler_hints[MALI_SCHEDULER_HINT_MAX];

MALI_STATIC_INLINE void mali_scheduler_hint_enable(mali_scheduler_hint hint)
{
	MALI_DEBUG_ASSERT(hint < MALI_SCHEDULER_HINT_MAX);
	mali_scheduler_hints[hint] = MALI_TRUE;
}

MALI_STATIC_INLINE void mali_scheduler_hint_disable(mali_scheduler_hint hint)
{
	MALI_DEBUG_ASSERT(hint < MALI_SCHEDULER_HINT_MAX);
	mali_scheduler_hints[hint] = MALI_FALSE;
}

MALI_STATIC_INLINE mali_bool mali_scheduler_hint_is_enabled(mali_scheduler_hint hint)
{
	MALI_DEBUG_ASSERT(hint < MALI_SCHEDULER_HINT_MAX);
	return mali_scheduler_hints[hint];
}

#endif /* __MALI_SCHEDULER_H__ */