diff options
Diffstat (limited to 'drivers/gpu/mali/mali/common/mali_l2_cache.h')
| -rw-r--r-- | drivers/gpu/mali/mali/common/mali_l2_cache.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/gpu/mali/mali/common/mali_l2_cache.h b/drivers/gpu/mali/mali/common/mali_l2_cache.h new file mode 100644 index 00000000..4882e314 --- /dev/null +++ b/drivers/gpu/mali/mali/common/mali_l2_cache.h @@ -0,0 +1,89 @@ +/* + * Copyright (C) 2010-2014 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_KERNEL_L2_CACHE_H__ +#define __MALI_KERNEL_L2_CACHE_H__ + +#include "mali_osk.h" +#include "mali_hw_core.h" + +#define MALI_MAX_NUMBER_OF_L2_CACHE_CORES 3 +/* Maximum 1 GP and 4 PP for an L2 cache core (Mali-400 Quad-core) */ +#define MALI_MAX_NUMBER_OF_GROUPS_PER_L2_CACHE 5 + +struct mali_group; +struct mali_pm_domain; + +/* Flags describing state of the L2 */ +typedef enum mali_l2_power_status { + MALI_L2_NORMAL, /**< L2 is in normal state and operational */ + MALI_L2_PAUSE, /**< L2 may not be accessed and may be powered off */ +} mali_l2_power_status; + +/** + * Definition of the L2 cache core struct + * Used to track a L2 cache unit in the system. + * Contains information about the mapping of the registers + */ +struct mali_l2_cache_core { + struct mali_hw_core hw_core; /**< Common for all HW cores */ + u32 core_id; /**< Unique core ID */ +#ifdef MALI_UPPER_HALF_SCHEDULING + _mali_osk_spinlock_irq_t *command_lock; /**< Serialize all L2 cache commands */ + _mali_osk_spinlock_irq_t *counter_lock; /**< Synchronize L2 cache counter access */ +#else + _mali_osk_spinlock_t *command_lock; + _mali_osk_spinlock_t *counter_lock; +#endif + u32 counter_src0; /**< Performance counter 0, MALI_HW_CORE_NO_COUNTER for disabled */ + u32 counter_src1; /**< Performance counter 1, MALI_HW_CORE_NO_COUNTER for disabled */ + u32 last_invalidated_id; + struct mali_pm_domain *pm_domain; + mali_l2_power_status mali_l2_status; /**< Indicate whether the L2 is paused or not */ +}; + +_mali_osk_errcode_t mali_l2_cache_initialize(void); +void mali_l2_cache_terminate(void); +/** + * L2 pause is just a status that the L2 can't be accessed temporarily. +*/ +void mali_l2_cache_pause_all(mali_bool pause); +struct mali_l2_cache_core *mali_l2_cache_create(_mali_osk_resource_t *resource); +void mali_l2_cache_delete(struct mali_l2_cache_core *cache); + +MALI_STATIC_INLINE void mali_l2_cache_set_pm_domain(struct mali_l2_cache_core *cache, struct mali_pm_domain *domain) +{ + cache->pm_domain = domain; +} + +u32 mali_l2_cache_get_id(struct mali_l2_cache_core *cache); + +void mali_l2_cache_core_set_counter_src0(struct mali_l2_cache_core *cache, u32 counter); +void mali_l2_cache_core_set_counter_src1(struct mali_l2_cache_core *cache, u32 counter); +u32 mali_l2_cache_core_get_counter_src0(struct mali_l2_cache_core *cache); +u32 mali_l2_cache_core_get_counter_src1(struct mali_l2_cache_core *cache); +void mali_l2_cache_core_get_counter_values(struct mali_l2_cache_core *cache, u32 *src0, u32 *value0, u32 *src1, u32 *value1); +struct mali_l2_cache_core *mali_l2_cache_core_get_glob_l2_core(u32 index); +u32 mali_l2_cache_core_get_glob_num_l2_cores(void); + +void mali_l2_cache_reset(struct mali_l2_cache_core *cache); +void mali_l2_cache_reset_all(void); + +struct mali_group *mali_l2_cache_get_group(struct mali_l2_cache_core *cache, u32 index); + +void mali_l2_cache_invalidate(struct mali_l2_cache_core *cache); +mali_bool mali_l2_cache_invalidate_conditional(struct mali_l2_cache_core *cache, u32 id); +void mali_l2_cache_invalidate_all(void); +void mali_l2_cache_invalidate_all_pages(u32 *pages, u32 num_pages); + +mali_bool mali_l2_cache_lock_power_state(struct mali_l2_cache_core *cache); +void mali_l2_cache_unlock_power_state(struct mali_l2_cache_core *cache); + +#endif /* __MALI_KERNEL_L2_CACHE_H__ */ |