drivers/misc/mediatek/gpu/mt8127/mali/mali/common/mali_broadcast.h

   1 /*
   2  * This confidential and proprietary software may be used only as
   3  * authorised by a licensing agreement from ARM Limited
   4  * (C) COPYRIGHT 2012-2015 ARM Limited
   5  * ALL RIGHTS RESERVED
   6  * The entire notice above must be reproduced on all authorised
   7  * copies and copies may only be made to the extent permitted
   8  * by a licensing agreement from ARM Limited.
   9  */
  10
  11 #ifndef __MALI_BROADCAST_H__
  12 #define __MALI_BROADCAST_H__
  13
  14 /*
  15  *  Interface for the broadcast unit on Mali-450.
  16  *
  17  * - Represents up to 8 × (MMU + PP) pairs.
  18  * - Supports dynamically changing which (MMU + PP) pairs receive the broadcast by
  19  *   setting a mask.
  20  */
  21
  22 #include "mali_hw_core.h"
  23 #include "mali_group.h"
  24
  25 struct mali_bcast_unit;
  26
  27 struct mali_bcast_unit *mali_bcast_unit_create(const _mali_osk_resource_t *resource);
  28 void mali_bcast_unit_delete(struct mali_bcast_unit *bcast_unit);
  29
  30 /* Add a group to the list of (MMU + PP) pairs broadcasts go out to. */
  31 void mali_bcast_add_group(struct mali_bcast_unit *bcast_unit, struct mali_group *group);
  32
  33 /* Remove a group to the list of (MMU + PP) pairs broadcasts go out to. */
  34 void mali_bcast_remove_group(struct mali_bcast_unit *bcast_unit, struct mali_group *group);
  35
  36 /* Re-set cached mask. This needs to be called after having been suspended. */
  37 void mali_bcast_reset(struct mali_bcast_unit *bcast_unit);
  38
  39 /**
  40  * Disable broadcast unit
  41  *
  42  * mali_bcast_enable must be called to re-enable the unit. Cores may not be
  43  * added or removed when the unit is disabled.
  44  */
  45 void mali_bcast_disable(struct mali_bcast_unit *bcast_unit);
  46
  47 /**
  48  * Re-enable broadcast unit
  49  *
  50  * This resets the masks to include the cores present when mali_bcast_disable was called.
  51  */
  52 MALI_STATIC_INLINE void mali_bcast_enable(struct mali_bcast_unit *bcast_unit)
  53 {
  54         mali_bcast_reset(bcast_unit);
  55 }
  56
  57 #endif /* __MALI_BROADCAST_H__ */