diff options
Diffstat (limited to 'drivers/media/video/samsung/mali/common/mali_group.h')
-rw-r--r-- | drivers/media/video/samsung/mali/common/mali_group.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/drivers/media/video/samsung/mali/common/mali_group.h b/drivers/media/video/samsung/mali/common/mali_group.h new file mode 100644 index 0000000..3533d13 --- /dev/null +++ b/drivers/media/video/samsung/mali/common/mali_group.h @@ -0,0 +1,146 @@ +/* + * 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_cluster.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 9 + +struct mali_group; + +enum mali_group_event_t +{ + GROUP_EVENT_PP_JOB_COMPLETED, /**< PP job completed successfully */ + GROUP_EVENT_PP_JOB_FAILED, /**< PP job completed with failure */ + GROUP_EVENT_PP_JOB_TIMED_OUT, /**< PP job reached max runtime */ + GROUP_EVENT_GP_JOB_COMPLETED, /**< GP job completed successfully */ + GROUP_EVENT_GP_JOB_FAILED, /**< GP job completed with failure */ + GROUP_EVENT_GP_JOB_TIMED_OUT, /**< GP job reached max runtime */ + GROUP_EVENT_GP_OOM, /**< GP job ran out of heap memory */ + GROUP_EVENT_MMU_PAGE_FAULT, /**< MMU page fault */ +}; + +enum mali_group_core_state +{ + MALI_GROUP_CORE_STATE_IDLE, + MALI_GROUP_CORE_STATE_WORKING, + MALI_GROUP_CORE_STATE_OOM +}; + +/** @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_cluster *cluster, struct mali_mmu_core *mmu); +void mali_group_add_gp_core(struct mali_group *group, struct mali_gp_core* gp_core); +void mali_group_add_pp_core(struct mali_group *group, struct mali_pp_core* pp_core); +void mali_group_delete(struct mali_group *group); + +/** @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 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 + */ +_mali_osk_errcode_t mali_group_start_gp_job(struct mali_group *group, struct mali_gp_job *job); +/** @brief Start fragment of PP job + */ +_mali_osk_errcode_t mali_group_start_pp_job(struct mali_group *group, struct mali_pp_job *job, u32 sub_job); + +/**Â @brief Resume GP job that suspended waiting for more heap memory + */ +void 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); + +enum mali_group_core_state mali_group_gp_state(struct mali_group *group); +enum mali_group_core_state mali_group_pp_state(struct mali_group *group); + +/** @brief The common group bottom half interrupt handler + * + * This is only called from the GP and PP bottom halves. + * + * The action taken is dictated by the \a event. + * + * @param event The event code + */ +void mali_group_bottom_half(struct mali_group *group, enum mali_group_event_t event); + +struct mali_mmu_core *mali_group_get_mmu(struct mali_group *group); +struct mali_session_data *mali_group_get_session(struct mali_group *group); + +void mali_group_remove_session_if_unused(struct mali_group *group, struct mali_session_data *session_data); + +void mali_group_power_on(void); +void mali_group_power_off(void); +mali_bool mali_group_power_is_on(struct mali_group *group); + +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); + +#endif /* __MALI_GROUP_H__ */ |