LXR linux/drivers/staging/mali/DX910-SW-99002-r5p1-01rel0/driver/src/devicedrv/mali/common/mali_pm

   1/*
   2 * Copyright (C) 2013-2015 ARM Limited. All rights reserved.
   3 * 
   4 * This program is free software and is provided to you under the terms of the GNU General Public License version 2
   5 * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
   6 * 
   7 * A copy of the licence is included with the program, and can also be obtained from Free Software
   8 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
   9 */
  10
  11#ifndef __MALI_PM_DOMAIN_H__
  12#define __MALI_PM_DOMAIN_H__
  13
  14#include "mali_kernel_common.h"
  15#include "mali_osk.h"
  16
  17#include "mali_l2_cache.h"
  18#include "mali_group.h"
  19#include "mali_pmu.h"
  20
  21/* Instances are protected by PM state lock */
  22struct mali_pm_domain {
  23        mali_bool power_is_on;
  24        s32 use_count;
  25        u32 pmu_mask;
  26
  27        /* Zero or more groups can belong to this domain */
  28        _mali_osk_list_t group_list;
  29
  30        /* Zero or more L2 caches can belong to this domain */
  31        _mali_osk_list_t l2_cache_list;
  32};
  33
  34
  35void mali_pm_domain_initialize(void);
  36void mali_pm_domain_terminate(void);
  37
  38struct mali_pm_domain *mali_pm_domain_create(u32 pmu_mask);
  39void mali_pm_domain_delete(struct mali_pm_domain *domain);
  40
  41void mali_pm_domain_add_l2_cache(
  42        struct mali_pm_domain *domain,
  43        struct mali_l2_cache_core *l2_cache);
  44void mali_pm_domain_add_group(struct mali_pm_domain *domain,
  45                              struct mali_group *group);
  46
  47struct mali_pm_domain *mali_pm_domain_get_from_mask(u32 mask);
  48struct mali_pm_domain *mali_pm_domain_get_from_index(u32 id);
  49
  50/* Ref counting */
  51u32 mali_pm_domain_ref_get(struct mali_pm_domain *domain);
  52u32 mali_pm_domain_ref_put(struct mali_pm_domain *domain);
  53
  54MALI_STATIC_INLINE _mali_osk_list_t *mali_pm_domain_get_group_list(
  55        struct mali_pm_domain *domain)
  56{
  57        MALI_DEBUG_ASSERT_POINTER(domain);
  58        return &domain->group_list;
  59}
  60
  61MALI_STATIC_INLINE _mali_osk_list_t *mali_pm_domain_get_l2_cache_list(
  62        struct mali_pm_domain *domain)
  63{
  64        MALI_DEBUG_ASSERT_POINTER(domain);
  65        return &domain->l2_cache_list;
  66}
  67
  68MALI_STATIC_INLINE mali_bool mali_pm_domain_power_is_on(
  69        struct mali_pm_domain *domain)
  70{
  71        MALI_DEBUG_ASSERT_POINTER(domain);
  72        return domain->power_is_on;
  73}
  74
  75MALI_STATIC_INLINE void mali_pm_domain_set_power_on(
  76        struct mali_pm_domain *domain,
  77        mali_bool power_is_on)
  78{
  79        MALI_DEBUG_ASSERT_POINTER(domain);
  80        domain->power_is_on = power_is_on;
  81}
  82
  83MALI_STATIC_INLINE u32 mali_pm_domain_get_use_count(
  84        struct mali_pm_domain *domain)
  85{
  86        MALI_DEBUG_ASSERT_POINTER(domain);
  87        return domain->use_count;
  88}
  89
  90#if MALI_STATE_TRACKING
  91u32 mali_pm_domain_get_id(struct mali_pm_domain *domain);
  92
  93MALI_STATIC_INLINE u32 mali_pm_domain_get_mask(struct mali_pm_domain *domain)
  94{
  95        MALI_DEBUG_ASSERT_POINTER(domain);
  96        return domain->pmu_mask;
  97}
  98#endif
  99
 100#if defined(DEBUG)
 101mali_bool mali_pm_domain_all_unused(void);
 102#endif
 103
 104#endif /* __MALI_PM_DOMAIN_H__ */
 105