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diff --git a/drivers/gpu/mali400/r3p2/mali/common/mali_group.h b/drivers/gpu/mali400/r3p2/mali/common/mali_group.h
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+/*
+ * Copyright (C) 2011-2012 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.
+ */
+
+#ifndef __MALI_GROUP_H__
+#define __MALI_GROUP_H__
+
+#include "linux/jiffies.h"
+#include "mali_osk.h"
+#include "mali_l2_cache.h"
+#include "mali_mmu.h"
+#include "mali_gp.h"
+#include "mali_pp.h"
+#include "mali_session.h"
+
+/* max runtime [ms] for a core job - used by timeout timers */
+#define MAX_RUNTIME 5000
+/** @brief A mali group object represents a MMU and a PP and/or a GP core.
+ *
+ */
+#define MALI_MAX_NUMBER_OF_GROUPS 10
+
+enum mali_group_core_state
+{
+ MALI_GROUP_STATE_IDLE,
+ MALI_GROUP_STATE_WORKING,
+ MALI_GROUP_STATE_OOM,
+ MALI_GROUP_STATE_IN_VIRTUAL,
+ MALI_GROUP_STATE_JOINING_VIRTUAL,
+ MALI_GROUP_STATE_LEAVING_VIRTUAL,
+ MALI_GROUP_STATE_DISABLED,
+};
+
+/* Forward declaration from mali_pm_domain.h */
+struct mali_pm_domain;
+
+/**
+ * The structure represents a render group
+ * A render group is defined by all the cores that share the same Mali MMU
+ */
+
+struct mali_group
+{
+ struct mali_mmu_core *mmu;
+ struct mali_session_data *session;
+ int page_dir_ref_count;
+
+ mali_bool power_is_on;
+ enum mali_group_core_state state;
+
+ struct mali_gp_core *gp_core;
+ struct mali_gp_job *gp_running_job;
+
+ struct mali_pp_core *pp_core;
+ struct mali_pp_job *pp_running_job;
+ u32 pp_running_sub_job;
+
+ struct mali_l2_cache_core *l2_cache_core[2];
+ u32 l2_cache_core_ref_count[2];
+
+ struct mali_dlbu_core *dlbu_core;
+ struct mali_bcast_unit *bcast_core;
+
+ _mali_osk_lock_t *lock;
+
+ _mali_osk_list_t pp_scheduler_list;
+
+ /* List used for virtual groups. For a virtual group, the list represents the
+ * head element. */
+ _mali_osk_list_t group_list;
+
+ struct mali_group *pm_domain_list;
+ struct mali_pm_domain *pm_domain;
+
+ /* Parent virtual group (if any) */
+ struct mali_group *parent_group;
+
+ _mali_osk_wq_work_t *bottom_half_work_mmu;
+ _mali_osk_wq_work_t *bottom_half_work_gp;
+ _mali_osk_wq_work_t *bottom_half_work_pp;
+
+ _mali_osk_timer_t *timeout_timer;
+ mali_bool core_timed_out;
+};
+
+/** @brief Create a new Mali group object
+ *
+ * @param cluster Pointer to the cluster to which the group is connected.
+ * @param mmu Pointer to the MMU that defines this group
+ * @return A pointer to a new group object
+ */
+struct mali_group *mali_group_create(struct mali_l2_cache_core *core,
+ struct mali_dlbu_core *dlbu,
+ struct mali_bcast_unit *bcast);
+
+_mali_osk_errcode_t mali_group_add_mmu_core(struct mali_group *group, struct mali_mmu_core* mmu_core);
+void mali_group_remove_mmu_core(struct mali_group *group);
+
+_mali_osk_errcode_t mali_group_add_gp_core(struct mali_group *group, struct mali_gp_core* gp_core);
+void mali_group_remove_gp_core(struct mali_group *group);
+
+_mali_osk_errcode_t mali_group_add_pp_core(struct mali_group *group, struct mali_pp_core* pp_core);
+void mali_group_remove_pp_core(struct mali_group *group);
+
+void mali_group_set_pm_domain(struct mali_group *group, struct mali_pm_domain *domain);
+
+void mali_group_delete(struct mali_group *group);
+
+/** @brief Virtual groups */
+void mali_group_add_group(struct mali_group *parent, struct mali_group *child, mali_bool update_hw);
+void mali_group_remove_group(struct mali_group *parent, struct mali_group *child);
+struct mali_group *mali_group_acquire_group(struct mali_group *parent);
+
+MALI_STATIC_INLINE mali_bool mali_group_is_virtual(struct mali_group *group)
+{
+ return (NULL != group->dlbu_core);
+}
+
+/** @brief Check if a group is considered as part of a virtual group
+ *
+ * @note A group is considered to be "part of" a virtual group also during the transition
+ * in to / out of the virtual group.
+ */
+MALI_STATIC_INLINE mali_bool mali_group_is_in_virtual(struct mali_group *group)
+{
+ return (MALI_GROUP_STATE_IN_VIRTUAL == group->state ||
+ MALI_GROUP_STATE_JOINING_VIRTUAL == group->state ||
+ MALI_GROUP_STATE_LEAVING_VIRTUAL == group->state);
+}
+
+/** @brief Reset group
+ *
+ * This function will reset the entire group, including all the cores present in the group.
+ *
+ * @param group Pointer to the group to reset
+ */
+void mali_group_reset(struct mali_group *group);
+
+/** @brief Zap MMU TLB on all groups
+ *
+ * Zap TLB on group if \a session is active.
+ */
+void mali_group_zap_session(struct mali_group* group, struct mali_session_data *session);
+
+/** @brief Get pointer to GP core object
+ */
+struct mali_gp_core* mali_group_get_gp_core(struct mali_group *group);
+
+/** @brief Get pointer to PP core object
+ */
+struct mali_pp_core* mali_group_get_pp_core(struct mali_group *group);
+
+/** @brief Lock group object
+ *
+ * Most group functions will lock the group object themselves. The expection is
+ * the group_bottom_half which requires the group to be locked on entry.
+ *
+ * @param group Pointer to group to lock
+ */
+void mali_group_lock(struct mali_group *group);
+
+/** @brief Unlock group object
+ *
+ * @param group Pointer to group to unlock
+ */
+void mali_group_unlock(struct mali_group *group);
+#ifdef DEBUG
+void mali_group_assert_locked(struct mali_group *group);
+#define MALI_ASSERT_GROUP_LOCKED(group) mali_group_assert_locked(group)
+#else
+#define MALI_ASSERT_GROUP_LOCKED(group)
+#endif
+
+/** @brief Start GP job
+ */
+void mali_group_start_gp_job(struct mali_group *group, struct mali_gp_job *job);
+/** @brief Start fragment of PP job
+ */
+void mali_group_start_pp_job(struct mali_group *group, struct mali_pp_job *job, u32 sub_job);
+
+/** @brief Resume GP job that suspended waiting for more heap memory
+ */
+struct mali_gp_job *mali_group_resume_gp_with_new_heap(struct mali_group *group, u32 job_id, u32 start_addr, u32 end_addr);
+/** @brief Abort GP job
+ *
+ * Used to abort suspended OOM jobs when user space failed to allocte more memory.
+ */
+void mali_group_abort_gp_job(struct mali_group *group, u32 job_id);
+/** @brief Abort all GP jobs from \a session
+ *
+ * Used on session close when terminating all running and queued jobs from \a session.
+ */
+void mali_group_abort_session(struct mali_group *group, struct mali_session_data *session);
+
+mali_bool mali_group_power_is_on(struct mali_group *group);
+void mali_group_power_on_group(struct mali_group *group);
+void mali_group_power_off_group(struct mali_group *group);
+void mali_group_power_on(void);
+void mali_group_power_off(void);
+
+struct mali_group *mali_group_get_glob_group(u32 index);
+u32 mali_group_get_glob_num_groups(void);
+
+u32 mali_group_dump_state(struct mali_group *group, char *buf, u32 size);
+
+/* MMU-related functions */
+_mali_osk_errcode_t mali_group_upper_half_mmu(void * data);
+
+/* GP-related functions */
+_mali_osk_errcode_t mali_group_upper_half_gp(void *data);
+
+/* PP-related functions */
+_mali_osk_errcode_t mali_group_upper_half_pp(void *data);
+
+/** @brief Check if group is enabled
+ *
+ * @param group group to check
+ * @return MALI_TRUE if enabled, MALI_FALSE if not
+ */
+mali_bool mali_group_is_enabled(struct mali_group *group);
+
+/** @brief Enable group
+ *
+ * An enabled job is put on the idle scheduler list and can be used to handle jobs. Does nothing if
+ * group is already enabled.
+ *
+ * @param group group to enable
+ */
+void mali_group_enable(struct mali_group *group);
+
+/** @brief Disable group
+ *
+ * A disabled group will no longer be used by the scheduler. If part of a virtual group, the group
+ * will be removed before being disabled. Cores part of a disabled group is safe to power down.
+ *
+ * @param group group to disable
+ */
+void mali_group_disable(struct mali_group *group);
+
+MALI_STATIC_INLINE mali_bool mali_group_virtual_disable_if_empty(struct mali_group *group)
+{
+ mali_bool empty = MALI_FALSE;
+
+ MALI_ASSERT_GROUP_LOCKED(group);
+ MALI_DEBUG_ASSERT(mali_group_is_virtual(group));
+
+ if (_mali_osk_list_empty(&group->group_list))
+ {
+ group->state = MALI_GROUP_STATE_DISABLED;
+ group->session = NULL;
+
+ empty = MALI_TRUE;
+ }
+
+ return empty;
+}
+
+MALI_STATIC_INLINE mali_bool mali_group_virtual_enable_if_empty(struct mali_group *group)
+{
+ mali_bool empty = MALI_FALSE;
+
+ MALI_ASSERT_GROUP_LOCKED(group);
+ MALI_DEBUG_ASSERT(mali_group_is_virtual(group));
+
+ if (_mali_osk_list_empty(&group->group_list))
+ {
+ MALI_DEBUG_ASSERT(MALI_GROUP_STATE_DISABLED == group->state);
+
+ group->state = MALI_GROUP_STATE_IDLE;
+
+ empty = MALI_TRUE;
+ }
+
+ return empty;
+}
+
+#endif /* __MALI_GROUP_H__ */