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- /*
- * This confidential and proprietary software may be used only as
- * authorised by a licensing agreement from ARM Limited
- * (C) COPYRIGHT 2011-2013 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_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"
- /**
- * @brief Default max runtime [ms] for a core job - used by timeout timers
- */
- #define MALI_MAX_JOB_RUNTIME_DEFAULT 4000
- /** @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;
- 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;
- #ifdef MALI_UPPER_HALF_SCHEDULING
- _mali_osk_spinlock_irq_t *lock;
- #else
- _mali_osk_spinlock_t *lock;
- #endif
- _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)
- {
- #if (defined(CONFIG_MALI450) || defined(CONFIG_MALI470))
- return (NULL != group->dlbu_core);
- #else
- return MALI_FALSE;
- #endif
- }
- /** @brief Check if a group is a part of a virtual group or not
- *
- * @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)
- {
- #if (defined(CONFIG_MALI450) || defined(CONFIG_MALI470))
- return (MALI_GROUP_STATE_IN_VIRTUAL == group->state ||
- MALI_GROUP_STATE_JOINING_VIRTUAL == group->state ||
- MALI_GROUP_STATE_LEAVING_VIRTUAL == group->state);
- #else
- return MALI_FALSE;
- #endif
- }
- /** @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, mali_bool power_status);
- void mali_group_power_on(void);
- /** @brief Prepare group for power off
- *
- * Update the group's state and prepare for the group to be powered off.
- *
- * If do_power_change is MALI_FALSE group session will be set to NULL so that
- * no more activity will happen to this group, but the power state flag will be
- * left unchanged.
- *
- * @do_power_change MALI_TRUE if power status is to be updated
- */
- void mali_group_power_off(mali_bool do_power_change);
- 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;
- }
- /* Get group used l2 domain and core domain ref */
- void mali_group_get_pm_domain_ref(struct mali_group *group);
- /* Put group used l2 domain and core domain ref */
- void mali_group_put_pm_domain_ref(struct mali_group *group);
- #endif /* __MALI_GROUP_H__ */
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